311961390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{223}}^1$

素因数の和:474

約数の個数: 128

約数和(自身を含む): 861622272

約数和(自身を除く): 549660882

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 85, 102, 130, 170, 195, 211, 221, 223, 255, 390, 422, 442, 446, 510, 633, 663, 669, 1055, 1105, 1115, 1266, 1326, 1338, 2110, 2210, 2230, 2743, 2899, 3165, 3315, 3345, 3587, 3791, 5486, 5798, 6330, 6630, 6690, 7174, 7582, 8229, 8697, 10761, 11373, 13715, 14495, 16458, 17394, 17935, 18955, 21522, 22746, 27430, 28990, 35870, 37910, 41145, 43485, 46631, 47053, 49283, 53805, 56865, 82290, 86970, 93262, 94106, 98566, 107610, 113730, 139893, 141159, 147849, 233155, 235265, 246415, 279786, 282318, 295698, 466310, 470530, 492830, 611689, 699465, 705795, 739245, 799901, 1223378, 1398930, 1411590, 1478490, 1599802, 1835067, 2399703, 3058445, 3670134, 3999505, 4799406, 6116890, 7999010, 9175335, 10398713, 11998515, 18350670, 20797426, 23997030, 31196139, 51993565, 62392278, 103987130, 155980695, 311961390]

約数ペア:

[(1, 311961390), (2, 155980695), (3, 103987130), (5, 62392278), (6, 51993565), (10, 31196139), (13, 23997030), (15, 20797426), (17, 18350670), (26, 11998515), (30, 10398713), (34, 9175335), (39, 7999010), (51, 6116890), (65, 4799406), (78, 3999505), (85, 3670134), (102, 3058445), (130, 2399703), (170, 1835067), (195, 1599802), (211, 1478490), (221, 1411590), (223, 1398930), (255, 1223378), (390, 799901), (422, 739245), (442, 705795), (446, 699465), (510, 611689), (633, 492830), (663, 470530), (669, 466310), (1055, 295698), (1105, 282318), (1115, 279786), (1266, 246415), (1326, 235265), (1338, 233155), (2110, 147849), (2210, 141159), (2230, 139893), (2743, 113730), (2899, 107610), (3165, 98566), (3315, 94106), (3345, 93262), (3587, 86970), (3791, 82290), (5486, 56865), (5798, 53805), (6330, 49283), (6630, 47053), (6690, 46631), (7174, 43485), (7582, 41145), (8229, 37910), (8697, 35870), (10761, 28990), (11373, 27430), (13715, 22746), (14495, 21522), (16458, 18955), (17394, 17935)]