3943940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1$

素因数の和:237

約数の個数: 96

約数和(自身を含む): 11176704

約数和(自身を除く): 7232764

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 77, 91, 110, 130, 140, 143, 154, 182, 197, 220, 260, 286, 308, 364, 385, 394, 455, 572, 715, 770, 788, 910, 985, 1001, 1379, 1430, 1540, 1820, 1970, 2002, 2167, 2561, 2758, 2860, 3940, 4004, 4334, 5005, 5122, 5516, 6895, 8668, 10010, 10244, 10835, 12805, 13790, 15169, 17927, 20020, 21670, 25610, 27580, 28171, 30338, 35854, 43340, 51220, 56342, 60676, 71708, 75845, 89635, 112684, 140855, 151690, 179270, 197197, 281710, 303380, 358540, 394394, 563420, 788788, 985985, 1971970, 3943940]

約数ペア:

[(1, 3943940), (2, 1971970), (4, 985985), (5, 788788), (7, 563420), (10, 394394), (11, 358540), (13, 303380), (14, 281710), (20, 197197), (22, 179270), (26, 151690), (28, 140855), (35, 112684), (44, 89635), (52, 75845), (55, 71708), (65, 60676), (70, 56342), (77, 51220), (91, 43340), (110, 35854), (130, 30338), (140, 28171), (143, 27580), (154, 25610), (182, 21670), (197, 20020), (220, 17927), (260, 15169), (286, 13790), (308, 12805), (364, 10835), (385, 10244), (394, 10010), (455, 8668), (572, 6895), (715, 5516), (770, 5122), (788, 5005), (910, 4334), (985, 4004), (1001, 3940), (1379, 2860), (1430, 2758), (1540, 2561), (1820, 2167), (1970, 2002)]