84609850

素因数分解:

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

素因数の和:105

約数の個数: 144

約数和(自身を含む): 196058880

約数和(自身を除く): 111449030

約数列:

[1, 2, 5, 10, 13, 17, 19, 25, 26, 31, 34, 38, 50, 62, 65, 85, 95, 130, 155, 169, 170, 190, 221, 247, 310, 323, 325, 338, 403, 425, 442, 475, 494, 527, 589, 646, 650, 775, 806, 845, 850, 950, 1054, 1105, 1178, 1235, 1550, 1615, 1690, 2015, 2210, 2470, 2635, 2873, 2945, 3211, 3230, 4030, 4199, 4225, 5239, 5270, 5525, 5746, 5890, 6175, 6422, 6851, 7657, 8075, 8398, 8450, 10013, 10075, 10478, 11050, 12350, 13175, 13702, 14365, 14725, 15314, 16055, 16150, 20026, 20150, 20995, 26195, 26350, 28730, 29450, 32110, 34255, 38285, 41990, 50065, 52390, 54587, 68510, 71825, 76570, 80275, 89063, 99541, 100130, 104975, 109174, 130169, 130975, 143650, 160550, 171275, 178126, 191425, 199082, 209950, 250325, 260338, 261950, 272935, 342550, 382850, 445315, 497705, 500650, 545870, 650845, 890630, 995410, 1301690, 1364675, 1692197, 2226575, 2488525, 2729350, 3254225, 3384394, 4453150, 4977050, 6508450, 8460985, 16921970, 42304925, 84609850]

約数ペア:

[(1, 84609850), (2, 42304925), (5, 16921970), (10, 8460985), (13, 6508450), (17, 4977050), (19, 4453150), (25, 3384394), (26, 3254225), (31, 2729350), (34, 2488525), (38, 2226575), (50, 1692197), (62, 1364675), (65, 1301690), (85, 995410), (95, 890630), (130, 650845), (155, 545870), (169, 500650), (170, 497705), (190, 445315), (221, 382850), (247, 342550), (310, 272935), (323, 261950), (325, 260338), (338, 250325), (403, 209950), (425, 199082), (442, 191425), (475, 178126), (494, 171275), (527, 160550), (589, 143650), (646, 130975), (650, 130169), (775, 109174), (806, 104975), (845, 100130), (850, 99541), (950, 89063), (1054, 80275), (1105, 76570), (1178, 71825), (1235, 68510), (1550, 54587), (1615, 52390), (1690, 50065), (2015, 41990), (2210, 38285), (2470, 34255), (2635, 32110), (2873, 29450), (2945, 28730), (3211, 26350), (3230, 26195), (4030, 20995), (4199, 20150), (4225, 20026), (5239, 16150), (5270, 16055), (5525, 15314), (5746, 14725), (5890, 14365), (6175, 13702), (6422, 13175), (6851, 12350), (7657, 11050), (8075, 10478), (8398, 10075), (8450, 10013)]