2021189240

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{179}}^1\times {\mathrm{823}}^1$

素因数の和:1034

約数の個数: 128

約数和(自身を含む): 5339520000

約数和(自身を除く): 3318330760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 179, 196, 245, 280, 343, 358, 392, 490, 686, 716, 823, 895, 980, 1253, 1372, 1432, 1646, 1715, 1790, 1960, 2506, 2744, 3292, 3430, 3580, 4115, 5012, 5761, 6265, 6584, 6860, 7160, 8230, 8771, 10024, 11522, 12530, 13720, 16460, 17542, 23044, 25060, 28805, 32920, 35084, 40327, 43855, 46088, 50120, 57610, 61397, 70168, 80654, 87710, 115220, 122794, 147317, 161308, 175420, 201635, 230440, 245588, 282289, 294634, 306985, 322616, 350840, 403270, 491176, 564578, 589268, 613970, 736585, 806540, 1031219, 1129156, 1178536, 1227940, 1411445, 1473170, 1613080, 2062438, 2258312, 2455880, 2822890, 2946340, 4124876, 5156095, 5645780, 5892680, 7218533, 8249752, 10312190, 11291560, 14437066, 20624380, 28874132, 36092665, 41248760, 50529731, 57748264, 72185330, 101059462, 144370660, 202118924, 252648655, 288741320, 404237848, 505297310, 1010594620, 2021189240]

約数ペア:

[(1, 2021189240), (2, 1010594620), (4, 505297310), (5, 404237848), (7, 288741320), (8, 252648655), (10, 202118924), (14, 144370660), (20, 101059462), (28, 72185330), (35, 57748264), (40, 50529731), (49, 41248760), (56, 36092665), (70, 28874132), (98, 20624380), (140, 14437066), (179, 11291560), (196, 10312190), (245, 8249752), (280, 7218533), (343, 5892680), (358, 5645780), (392, 5156095), (490, 4124876), (686, 2946340), (716, 2822890), (823, 2455880), (895, 2258312), (980, 2062438), (1253, 1613080), (1372, 1473170), (1432, 1411445), (1646, 1227940), (1715, 1178536), (1790, 1129156), (1960, 1031219), (2506, 806540), (2744, 736585), (3292, 613970), (3430, 589268), (3580, 564578), (4115, 491176), (5012, 403270), (5761, 350840), (6265, 322616), (6584, 306985), (6860, 294634), (7160, 282289), (8230, 245588), (8771, 230440), (10024, 201635), (11522, 175420), (12530, 161308), (13720, 147317), (16460, 122794), (17542, 115220), (23044, 87710), (25060, 80654), (28805, 70168), (32920, 61397), (35084, 57610), (40327, 50120), (43855, 46088)]