221601640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{233}}^1$

素因数の和:347

約数の個数: 128

約数和(自身を含む): 566092800

約数和(自身を除く): 344491160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 59, 62, 65, 104, 118, 124, 130, 155, 233, 236, 248, 260, 295, 310, 403, 466, 472, 520, 590, 620, 767, 806, 932, 1165, 1180, 1240, 1534, 1612, 1829, 1864, 2015, 2330, 2360, 3029, 3068, 3224, 3658, 3835, 4030, 4660, 6058, 6136, 7223, 7316, 7670, 8060, 9145, 9320, 12116, 13747, 14446, 14632, 15145, 15340, 16120, 18290, 23777, 24232, 27494, 28892, 30290, 30680, 36115, 36580, 47554, 54988, 57784, 60580, 68735, 72230, 73160, 93899, 95108, 109976, 118885, 121160, 137470, 144460, 178711, 187798, 190216, 237770, 274940, 288920, 357422, 375596, 426157, 469495, 475540, 549880, 714844, 751192, 852314, 893555, 938990, 951080, 1429688, 1704628, 1787110, 1877980, 2130785, 3409256, 3574220, 3755960, 4261570, 5540041, 7148440, 8523140, 11080082, 17046280, 22160164, 27700205, 44320328, 55400410, 110800820, 221601640]

約数ペア:

[(1, 221601640), (2, 110800820), (4, 55400410), (5, 44320328), (8, 27700205), (10, 22160164), (13, 17046280), (20, 11080082), (26, 8523140), (31, 7148440), (40, 5540041), (52, 4261570), (59, 3755960), (62, 3574220), (65, 3409256), (104, 2130785), (118, 1877980), (124, 1787110), (130, 1704628), (155, 1429688), (233, 951080), (236, 938990), (248, 893555), (260, 852314), (295, 751192), (310, 714844), (403, 549880), (466, 475540), (472, 469495), (520, 426157), (590, 375596), (620, 357422), (767, 288920), (806, 274940), (932, 237770), (1165, 190216), (1180, 187798), (1240, 178711), (1534, 144460), (1612, 137470), (1829, 121160), (1864, 118885), (2015, 109976), (2330, 95108), (2360, 93899), (3029, 73160), (3068, 72230), (3224, 68735), (3658, 60580), (3835, 57784), (4030, 54988), (4660, 47554), (6058, 36580), (6136, 36115), (7223, 30680), (7316, 30290), (7670, 28892), (8060, 27494), (9145, 24232), (9320, 23777), (12116, 18290), (13747, 16120), (14446, 15340), (14632, 15145)]