77578855540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{787}}^1\times {\mathrm{1741}}^1$

素因数の和:2705

約数の個数: 96

約数和(自身を含む): 172959696000

約数和(自身を除く): 95380840460

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 149, 190, 298, 380, 596, 745, 787, 1490, 1574, 1741, 2831, 2980, 3148, 3482, 3935, 5662, 6964, 7870, 8705, 11324, 14155, 14953, 15740, 17410, 28310, 29906, 33079, 34820, 56620, 59812, 66158, 74765, 117263, 132316, 149530, 165395, 234526, 259409, 299060, 330790, 469052, 518818, 586315, 661580, 1037636, 1172630, 1297045, 1370167, 2227997, 2345260, 2594090, 2740334, 4455994, 4928771, 5188180, 5480668, 6850835, 8911988, 9857542, 11139985, 13701670, 19715084, 22279970, 24643855, 26033173, 27403340, 44559940, 49287710, 52066346, 98575420, 104132692, 130165865, 204154883, 260331730, 408309766, 520663460, 816619532, 1020774415, 2041548830, 3878942777, 4083097660, 7757885554, 15515771108, 19394713885, 38789427770, 77578855540]

約数ペア:

[(1, 77578855540), (2, 38789427770), (4, 19394713885), (5, 15515771108), (10, 7757885554), (19, 4083097660), (20, 3878942777), (38, 2041548830), (76, 1020774415), (95, 816619532), (149, 520663460), (190, 408309766), (298, 260331730), (380, 204154883), (596, 130165865), (745, 104132692), (787, 98575420), (1490, 52066346), (1574, 49287710), (1741, 44559940), (2831, 27403340), (2980, 26033173), (3148, 24643855), (3482, 22279970), (3935, 19715084), (5662, 13701670), (6964, 11139985), (7870, 9857542), (8705, 8911988), (11324, 6850835), (14155, 5480668), (14953, 5188180), (15740, 4928771), (17410, 4455994), (28310, 2740334), (29906, 2594090), (33079, 2345260), (34820, 2227997), (56620, 1370167), (59812, 1297045), (66158, 1172630), (74765, 1037636), (117263, 661580), (132316, 586315), (149530, 518818), (165395, 469052), (234526, 330790), (259409, 299060)]