1721057380

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{8093}}^1$

素因数の和:8154

約数の個数: 96

約数和(自身を含む): 4351334400

約数和(自身を除く): 2630277020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 70, 98, 124, 140, 155, 196, 217, 245, 310, 343, 434, 490, 620, 686, 868, 980, 1085, 1372, 1519, 1715, 2170, 3038, 3430, 4340, 6076, 6860, 7595, 8093, 10633, 15190, 16186, 21266, 30380, 32372, 40465, 42532, 53165, 56651, 80930, 106330, 113302, 161860, 212660, 226604, 250883, 283255, 396557, 501766, 566510, 793114, 1003532, 1133020, 1254415, 1586228, 1756181, 1982785, 2508830, 2775899, 3512362, 3965570, 5017660, 5551798, 7024724, 7931140, 8780905, 11103596, 12293267, 13879495, 17561810, 24586534, 27758990, 35123620, 49173068, 55517980, 61466335, 86052869, 122932670, 172105738, 245865340, 344211476, 430264345, 860528690, 1721057380]

約数ペア:

[(1, 1721057380), (2, 860528690), (4, 430264345), (5, 344211476), (7, 245865340), (10, 172105738), (14, 122932670), (20, 86052869), (28, 61466335), (31, 55517980), (35, 49173068), (49, 35123620), (62, 27758990), (70, 24586534), (98, 17561810), (124, 13879495), (140, 12293267), (155, 11103596), (196, 8780905), (217, 7931140), (245, 7024724), (310, 5551798), (343, 5017660), (434, 3965570), (490, 3512362), (620, 2775899), (686, 2508830), (868, 1982785), (980, 1756181), (1085, 1586228), (1372, 1254415), (1519, 1133020), (1715, 1003532), (2170, 793114), (3038, 566510), (3430, 501766), (4340, 396557), (6076, 283255), (6860, 250883), (7595, 226604), (8093, 212660), (10633, 161860), (15190, 113302), (16186, 106330), (21266, 80930), (30380, 56651), (32372, 53165), (40465, 42532)]