1978274224

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{20147}}^1$

素因数の和:20210

約数の個数: 60

約数和(自身を含む): 4283424504

約数和(自身を除く): 2305150280

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 136, 152, 272, 304, 323, 361, 646, 722, 1292, 1444, 2584, 2888, 5168, 5776, 6137, 12274, 20147, 24548, 40294, 49096, 80588, 98192, 161176, 322352, 342499, 382793, 684998, 765586, 1369996, 1531172, 2739992, 3062344, 5479984, 6124688, 6507481, 7273067, 13014962, 14546134, 26029924, 29092268, 52059848, 58184536, 104119696, 116369072, 123642139, 247284278, 494568556, 989137112, 1978274224]

約数ペア:

[(1, 1978274224), (2, 989137112), (4, 494568556), (8, 247284278), (16, 123642139), (17, 116369072), (19, 104119696), (34, 58184536), (38, 52059848), (68, 29092268), (76, 26029924), (136, 14546134), (152, 13014962), (272, 7273067), (304, 6507481), (323, 6124688), (361, 5479984), (646, 3062344), (722, 2739992), (1292, 1531172), (1444, 1369996), (2584, 765586), (2888, 684998), (5168, 382793), (5776, 342499), (6137, 322352), (12274, 161176), (20147, 98192), (24548, 80588), (40294, 49096)]