221287300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:111

約数の個数: 216

約数和(自身を含む): 596906240

約数和(自身を除く): 375618940

約数列:

[1, 2, 4, 5, 10, 13, 17, 19, 20, 25, 26, 31, 34, 38, 50, 52, 62, 65, 68, 76, 85, 95, 100, 124, 130, 155, 170, 190, 221, 247, 260, 289, 310, 323, 325, 340, 380, 403, 425, 442, 475, 494, 527, 578, 589, 620, 646, 650, 775, 806, 850, 884, 950, 988, 1054, 1105, 1156, 1178, 1235, 1292, 1300, 1445, 1550, 1612, 1615, 1700, 1900, 2015, 2108, 2210, 2356, 2470, 2635, 2890, 2945, 3100, 3230, 3757, 4030, 4199, 4420, 4940, 5270, 5491, 5525, 5780, 5890, 6175, 6460, 6851, 7225, 7514, 7657, 8060, 8075, 8398, 8959, 10013, 10075, 10540, 10982, 11050, 11780, 12350, 13175, 13702, 14450, 14725, 15028, 15314, 16150, 16796, 17918, 18785, 20026, 20150, 20995, 21964, 22100, 24700, 26350, 27404, 27455, 28900, 29450, 30628, 32300, 34255, 35836, 37570, 38285, 40052, 40300, 41990, 44795, 50065, 52700, 54910, 58900, 68510, 71383, 75140, 76570, 83980, 89590, 93925, 100130, 104975, 109820, 116467, 130169, 137020, 137275, 142766, 153140, 170221, 171275, 179180, 187850, 191425, 200260, 209950, 223975, 232934, 250325, 260338, 274550, 285532, 340442, 342550, 356915, 375700, 382850, 419900, 447950, 465868, 500650, 520676, 549100, 582335, 650845, 680884, 685100, 713830, 765700, 851105, 895900, 1001300, 1164670, 1301690, 1427660, 1702210, 1784575, 2212873, 2329340, 2603380, 2911675, 3254225, 3404420, 3569150, 4255525, 4425746, 5823350, 6508450, 7138300, 8511050, 8851492, 11064365, 11646700, 13016900, 17022100, 22128730, 44257460, 55321825, 110643650, 221287300]

約数ペア:

[(1, 221287300), (2, 110643650), (4, 55321825), (5, 44257460), (10, 22128730), (13, 17022100), (17, 13016900), (19, 11646700), (20, 11064365), (25, 8851492), (26, 8511050), (31, 7138300), (34, 6508450), (38, 5823350), (50, 4425746), (52, 4255525), (62, 3569150), (65, 3404420), (68, 3254225), (76, 2911675), (85, 2603380), (95, 2329340), (100, 2212873), (124, 1784575), (130, 1702210), (155, 1427660), (170, 1301690), (190, 1164670), (221, 1001300), (247, 895900), (260, 851105), (289, 765700), (310, 713830), (323, 685100), (325, 680884), (340, 650845), (380, 582335), (403, 549100), (425, 520676), (442, 500650), (475, 465868), (494, 447950), (527, 419900), (578, 382850), (589, 375700), (620, 356915), (646, 342550), (650, 340442), (775, 285532), (806, 274550), (850, 260338), (884, 250325), (950, 232934), (988, 223975), (1054, 209950), (1105, 200260), (1156, 191425), (1178, 187850), (1235, 179180), (1292, 171275), (1300, 170221), (1445, 153140), (1550, 142766), (1612, 137275), (1615, 137020), (1700, 130169), (1900, 116467), (2015, 109820), (2108, 104975), (2210, 100130), (2356, 93925), (2470, 89590), (2635, 83980), (2890, 76570), (2945, 75140), (3100, 71383), (3230, 68510), (3757, 58900), (4030, 54910), (4199, 52700), (4420, 50065), (4940, 44795), (5270, 41990), (5491, 40300), (5525, 40052), (5780, 38285), (5890, 37570), (6175, 35836), (6460, 34255), (6851, 32300), (7225, 30628), (7514, 29450), (7657, 28900), (8060, 27455), (8075, 27404), (8398, 26350), (8959, 24700), (10013, 22100), (10075, 21964), (10540, 20995), (10982, 20150), (11050, 20026), (11780, 18785), (12350, 17918), (13175, 16796), (13702, 16150), (14450, 15314), (14725, 15028)]