207831222920

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{7103}}^1\times {\mathrm{8219}}^1$

素因数の和:15422

約数の個数: 64

約数和(自身を含む): 472998528000

約数和(自身を除く): 265167305080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 7103, 8219, 14206, 16438, 28412, 32876, 35515, 41095, 56824, 65752, 71030, 82190, 142060, 164380, 284120, 328760, 632167, 731491, 1264334, 1462982, 2528668, 2925964, 3160835, 3657455, 5057336, 5851928, 6321670, 7314910, 12643340, 14629820, 25286680, 29259640, 58379557, 116759114, 233518228, 291897785, 467036456, 583795570, 1167591140, 2335182280, 5195780573, 10391561146, 20783122292, 25978902865, 41566244584, 51957805730, 103915611460, 207831222920]

約数ペア:

[(1, 207831222920), (2, 103915611460), (4, 51957805730), (5, 41566244584), (8, 25978902865), (10, 20783122292), (20, 10391561146), (40, 5195780573), (89, 2335182280), (178, 1167591140), (356, 583795570), (445, 467036456), (712, 291897785), (890, 233518228), (1780, 116759114), (3560, 58379557), (7103, 29259640), (8219, 25286680), (14206, 14629820), (16438, 12643340), (28412, 7314910), (32876, 6321670), (35515, 5851928), (41095, 5057336), (56824, 3657455), (65752, 3160835), (71030, 2925964), (82190, 2528668), (142060, 1462982), (164380, 1264334), (284120, 731491), (328760, 632167)]