90980890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:248

約数の個数: 128

約数和(自身を含む): 224985600

約数和(自身を除く): 134004710

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 55, 61, 65, 70, 77, 91, 110, 122, 130, 143, 149, 154, 182, 286, 298, 305, 385, 427, 455, 610, 671, 715, 745, 770, 793, 854, 910, 1001, 1043, 1342, 1430, 1490, 1586, 1639, 1937, 2002, 2086, 2135, 3278, 3355, 3874, 3965, 4270, 4697, 5005, 5215, 5551, 6710, 7930, 8195, 8723, 9089, 9394, 9685, 10010, 10430, 11102, 11473, 13559, 16390, 17446, 18178, 19370, 21307, 22946, 23485, 27118, 27755, 42614, 43615, 45445, 46970, 55510, 57365, 61061, 63623, 67795, 87230, 90890, 99979, 106535, 114730, 118157, 122122, 127246, 135590, 149149, 199958, 213070, 236314, 298298, 305305, 318115, 499895, 590785, 610610, 636230, 699853, 745745, 827099, 999790, 1181570, 1299727, 1399706, 1491490, 1654198, 2599454, 3499265, 4135495, 6498635, 6998530, 8270990, 9098089, 12997270, 18196178, 45490445, 90980890]

約数ペア:

[(1, 90980890), (2, 45490445), (5, 18196178), (7, 12997270), (10, 9098089), (11, 8270990), (13, 6998530), (14, 6498635), (22, 4135495), (26, 3499265), (35, 2599454), (55, 1654198), (61, 1491490), (65, 1399706), (70, 1299727), (77, 1181570), (91, 999790), (110, 827099), (122, 745745), (130, 699853), (143, 636230), (149, 610610), (154, 590785), (182, 499895), (286, 318115), (298, 305305), (305, 298298), (385, 236314), (427, 213070), (455, 199958), (610, 149149), (671, 135590), (715, 127246), (745, 122122), (770, 118157), (793, 114730), (854, 106535), (910, 99979), (1001, 90890), (1043, 87230), (1342, 67795), (1430, 63623), (1490, 61061), (1586, 57365), (1639, 55510), (1937, 46970), (2002, 45445), (2086, 43615), (2135, 42614), (3278, 27755), (3355, 27118), (3874, 23485), (3965, 22946), (4270, 21307), (4697, 19370), (5005, 18178), (5215, 17446), (5551, 16390), (6710, 13559), (7930, 11473), (8195, 11102), (8723, 10430), (9089, 10010), (9394, 9685)]