127788455420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{491}}^1\times {\mathrm{577}}^1\times {\mathrm{1187}}^1$

素因数の和:2283

約数の個数: 96

約数和(自身を含む): 283784497920

約数和(自身を除く): 155996042500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 491, 577, 982, 1154, 1187, 1964, 2308, 2374, 2455, 2885, 4748, 4910, 5770, 5935, 9329, 9820, 10963, 11540, 11870, 18658, 21926, 22553, 23740, 37316, 43852, 45106, 46645, 54815, 90212, 93290, 109630, 112765, 186580, 219260, 225530, 283307, 451060, 566614, 582817, 684899, 1133228, 1165634, 1369798, 1416535, 2331268, 2739596, 2833070, 2914085, 3424495, 5382833, 5666140, 5828170, 6848990, 10765666, 11073523, 11656340, 13013081, 13697980, 21531332, 22147046, 26026162, 26914165, 44294092, 52052324, 53828330, 55367615, 65065405, 107656660, 110735230, 130130810, 221470460, 260261620, 336285409, 672570818, 1345141636, 1681427045, 3362854090, 6389422771, 6725708180, 12778845542, 25557691084, 31947113855, 63894227710, 127788455420]

約数ペア:

[(1, 127788455420), (2, 63894227710), (4, 31947113855), (5, 25557691084), (10, 12778845542), (19, 6725708180), (20, 6389422771), (38, 3362854090), (76, 1681427045), (95, 1345141636), (190, 672570818), (380, 336285409), (491, 260261620), (577, 221470460), (982, 130130810), (1154, 110735230), (1187, 107656660), (1964, 65065405), (2308, 55367615), (2374, 53828330), (2455, 52052324), (2885, 44294092), (4748, 26914165), (4910, 26026162), (5770, 22147046), (5935, 21531332), (9329, 13697980), (9820, 13013081), (10963, 11656340), (11540, 11073523), (11870, 10765666), (18658, 6848990), (21926, 5828170), (22553, 5666140), (23740, 5382833), (37316, 3424495), (43852, 2914085), (45106, 2833070), (46645, 2739596), (54815, 2331268), (90212, 1416535), (93290, 1369798), (109630, 1165634), (112765, 1133228), (186580, 684899), (219260, 582817), (225530, 566614), (283307, 451060)]