890357830

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{3733}}^1$

素因数の和:3841

約数の個数: 64

約数和(自身を含む): 1800206208

約数和(自身を除く): 909848378

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 61, 85, 115, 122, 170, 230, 305, 391, 610, 782, 1037, 1403, 1955, 2074, 2806, 3733, 3910, 5185, 7015, 7466, 10370, 14030, 18665, 23851, 37330, 47702, 63461, 85859, 119255, 126922, 171718, 227713, 238510, 317305, 429295, 455426, 634610, 858590, 1138565, 1459603, 2277130, 2919206, 3871121, 5237399, 7298015, 7742242, 10474798, 14596030, 19355605, 26186995, 38711210, 52373990, 89035783, 178071566, 445178915, 890357830]

約数ペア:

[(1, 890357830), (2, 445178915), (5, 178071566), (10, 89035783), (17, 52373990), (23, 38711210), (34, 26186995), (46, 19355605), (61, 14596030), (85, 10474798), (115, 7742242), (122, 7298015), (170, 5237399), (230, 3871121), (305, 2919206), (391, 2277130), (610, 1459603), (782, 1138565), (1037, 858590), (1403, 634610), (1955, 455426), (2074, 429295), (2806, 317305), (3733, 238510), (3910, 227713), (5185, 171718), (7015, 126922), (7466, 119255), (10370, 85859), (14030, 63461), (18665, 47702), (23851, 37330)]