427397940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{1997}}^1$

素因数の和:2082

約数の個数: 144

約数和(自身を含む): 1374544080

約数和(自身を除く): 947146140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 41, 45, 58, 60, 82, 87, 90, 116, 123, 145, 164, 174, 180, 205, 246, 261, 290, 348, 369, 410, 435, 492, 522, 580, 615, 738, 820, 870, 1044, 1189, 1230, 1305, 1476, 1740, 1845, 1997, 2378, 2460, 2610, 3567, 3690, 3994, 4756, 5220, 5945, 5991, 7134, 7380, 7988, 9985, 10701, 11890, 11982, 14268, 17835, 17973, 19970, 21402, 23780, 23964, 29955, 35670, 35946, 39940, 42804, 53505, 57913, 59910, 71340, 71892, 81877, 89865, 107010, 115826, 119820, 163754, 173739, 179730, 214020, 231652, 245631, 289565, 327508, 347478, 359460, 409385, 491262, 521217, 579130, 694956, 736893, 818770, 868695, 982524, 1042434, 1158260, 1228155, 1473786, 1637540, 1737390, 2084868, 2374433, 2456310, 2606085, 2947572, 3474780, 3684465, 4748866, 4912620, 5212170, 7123299, 7368930, 9497732, 10424340, 11872165, 14246598, 14737860, 21369897, 23744330, 28493196, 35616495, 42739794, 47488660, 71232990, 85479588, 106849485, 142465980, 213698970, 427397940]

約数ペア:

[(1, 427397940), (2, 213698970), (3, 142465980), (4, 106849485), (5, 85479588), (6, 71232990), (9, 47488660), (10, 42739794), (12, 35616495), (15, 28493196), (18, 23744330), (20, 21369897), (29, 14737860), (30, 14246598), (36, 11872165), (41, 10424340), (45, 9497732), (58, 7368930), (60, 7123299), (82, 5212170), (87, 4912620), (90, 4748866), (116, 3684465), (123, 3474780), (145, 2947572), (164, 2606085), (174, 2456310), (180, 2374433), (205, 2084868), (246, 1737390), (261, 1637540), (290, 1473786), (348, 1228155), (369, 1158260), (410, 1042434), (435, 982524), (492, 868695), (522, 818770), (580, 736893), (615, 694956), (738, 579130), (820, 521217), (870, 491262), (1044, 409385), (1189, 359460), (1230, 347478), (1305, 327508), (1476, 289565), (1740, 245631), (1845, 231652), (1997, 214020), (2378, 179730), (2460, 173739), (2610, 163754), (3567, 119820), (3690, 115826), (3994, 107010), (4756, 89865), (5220, 81877), (5945, 71892), (5991, 71340), (7134, 59910), (7380, 57913), (7988, 53505), (9985, 42804), (10701, 39940), (11890, 35946), (11982, 35670), (14268, 29955), (17835, 23964), (17973, 23780), (19970, 21402)]