311915320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{317}}^1\times {\mathrm{1447}}^1$

素因数の和:1792

約数の個数: 64

約数和(自身を含む): 745951680

約数和(自身を除く): 434036360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 317, 340, 634, 680, 1268, 1447, 1585, 2536, 2894, 3170, 5389, 5788, 6340, 7235, 10778, 11576, 12680, 14470, 21556, 24599, 26945, 28940, 43112, 49198, 53890, 57880, 98396, 107780, 122995, 196792, 215560, 245990, 458699, 491980, 917398, 983960, 1834796, 2293495, 3669592, 4586990, 7797883, 9173980, 15595766, 18347960, 31191532, 38989415, 62383064, 77978830, 155957660, 311915320]

約数ペア:

[(1, 311915320), (2, 155957660), (4, 77978830), (5, 62383064), (8, 38989415), (10, 31191532), (17, 18347960), (20, 15595766), (34, 9173980), (40, 7797883), (68, 4586990), (85, 3669592), (136, 2293495), (170, 1834796), (317, 983960), (340, 917398), (634, 491980), (680, 458699), (1268, 245990), (1447, 215560), (1585, 196792), (2536, 122995), (2894, 107780), (3170, 98396), (5389, 57880), (5788, 53890), (6340, 49198), (7235, 43112), (10778, 28940), (11576, 26945), (12680, 24599), (14470, 21556)]