289375700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:115

約数の個数: 144

約数和(自身を含む): 724953600

約数和(自身を除く): 435577900

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 25, 31, 34, 38, 50, 62, 68, 76, 85, 95, 100, 124, 155, 170, 190, 289, 310, 323, 340, 380, 425, 475, 527, 578, 589, 620, 646, 775, 850, 950, 1054, 1156, 1178, 1292, 1445, 1550, 1615, 1700, 1900, 2108, 2356, 2635, 2890, 2945, 3100, 3230, 4913, 5270, 5491, 5780, 5890, 6460, 7225, 8075, 8959, 9826, 10013, 10540, 10982, 11780, 13175, 14450, 14725, 16150, 17918, 19652, 20026, 21964, 24565, 26350, 27455, 28900, 29450, 32300, 35836, 40052, 44795, 49130, 50065, 52700, 54910, 58900, 89590, 93347, 98260, 100130, 109820, 122825, 137275, 152303, 170221, 179180, 186694, 200260, 223975, 245650, 250325, 274550, 304606, 340442, 373388, 447950, 466735, 491300, 500650, 549100, 609212, 680884, 761515, 851105, 895900, 933470, 1001300, 1523030, 1702210, 1866940, 2333675, 2893757, 3046060, 3404420, 3807575, 4255525, 4667350, 5787514, 7615150, 8511050, 9334700, 11575028, 14468785, 15230300, 17022100, 28937570, 57875140, 72343925, 144687850, 289375700]

約数ペア:

[(1, 289375700), (2, 144687850), (4, 72343925), (5, 57875140), (10, 28937570), (17, 17022100), (19, 15230300), (20, 14468785), (25, 11575028), (31, 9334700), (34, 8511050), (38, 7615150), (50, 5787514), (62, 4667350), (68, 4255525), (76, 3807575), (85, 3404420), (95, 3046060), (100, 2893757), (124, 2333675), (155, 1866940), (170, 1702210), (190, 1523030), (289, 1001300), (310, 933470), (323, 895900), (340, 851105), (380, 761515), (425, 680884), (475, 609212), (527, 549100), (578, 500650), (589, 491300), (620, 466735), (646, 447950), (775, 373388), (850, 340442), (950, 304606), (1054, 274550), (1156, 250325), (1178, 245650), (1292, 223975), (1445, 200260), (1550, 186694), (1615, 179180), (1700, 170221), (1900, 152303), (2108, 137275), (2356, 122825), (2635, 109820), (2890, 100130), (2945, 98260), (3100, 93347), (3230, 89590), (4913, 58900), (5270, 54910), (5491, 52700), (5780, 50065), (5890, 49130), (6460, 44795), (7225, 40052), (8075, 35836), (8959, 32300), (9826, 29450), (10013, 28900), (10540, 27455), (10982, 26350), (11780, 24565), (13175, 21964), (14450, 20026), (14725, 19652), (16150, 17918)]