978170800

素因数分解:

$2^4\times 5^2\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{241}}^1$

素因数の和:471

約数の個数: 120

約数和(自身を含む): 2409342320

約数和(自身を除く): 1431171520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 73, 80, 100, 139, 146, 200, 241, 278, 292, 365, 400, 482, 556, 584, 695, 730, 964, 1112, 1168, 1205, 1390, 1460, 1825, 1928, 2224, 2410, 2780, 2920, 3475, 3650, 3856, 4820, 5560, 5840, 6025, 6950, 7300, 9640, 10147, 11120, 12050, 13900, 14600, 17593, 19280, 20294, 24100, 27800, 29200, 33499, 35186, 40588, 48200, 50735, 55600, 66998, 70372, 81176, 87965, 96400, 101470, 133996, 140744, 162352, 167495, 175930, 202940, 253675, 267992, 281488, 334990, 351860, 405880, 439825, 507350, 535984, 669980, 703720, 811760, 837475, 879650, 1014700, 1339960, 1407440, 1674950, 1759300, 2029400, 2445427, 2679920, 3349900, 3518600, 4058800, 4890854, 6699800, 7037200, 9781708, 12227135, 13399600, 19563416, 24454270, 39126832, 48908540, 61135675, 97817080, 122271350, 195634160, 244542700, 489085400, 978170800]

約数ペア:

[(1, 978170800), (2, 489085400), (4, 244542700), (5, 195634160), (8, 122271350), (10, 97817080), (16, 61135675), (20, 48908540), (25, 39126832), (40, 24454270), (50, 19563416), (73, 13399600), (80, 12227135), (100, 9781708), (139, 7037200), (146, 6699800), (200, 4890854), (241, 4058800), (278, 3518600), (292, 3349900), (365, 2679920), (400, 2445427), (482, 2029400), (556, 1759300), (584, 1674950), (695, 1407440), (730, 1339960), (964, 1014700), (1112, 879650), (1168, 837475), (1205, 811760), (1390, 703720), (1460, 669980), (1825, 535984), (1928, 507350), (2224, 439825), (2410, 405880), (2780, 351860), (2920, 334990), (3475, 281488), (3650, 267992), (3856, 253675), (4820, 202940), (5560, 175930), (5840, 167495), (6025, 162352), (6950, 140744), (7300, 133996), (9640, 101470), (10147, 96400), (11120, 87965), (12050, 81176), (13900, 70372), (14600, 66998), (17593, 55600), (19280, 50735), (20294, 48200), (24100, 40588), (27800, 35186), (29200, 33499)]