20129404330

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{103}}^1\times {\mathrm{227}}^1\times {\mathrm{251}}^1$

素因数の和:609

約数の個数: 128

約数和(自身を含む): 43023052800

約数和(自身を除く): 22893648470

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 103, 206, 227, 245, 251, 343, 454, 490, 502, 515, 686, 721, 1030, 1135, 1255, 1442, 1589, 1715, 1757, 2270, 2510, 3178, 3430, 3514, 3605, 5047, 7210, 7945, 8785, 10094, 11123, 12299, 15890, 17570, 22246, 23381, 24598, 25235, 25853, 35329, 46762, 50470, 51706, 55615, 56977, 61495, 70658, 77861, 86093, 111230, 113954, 116905, 122990, 129265, 155722, 163667, 172186, 176645, 180971, 233810, 258530, 284885, 327334, 353290, 361942, 389305, 398839, 430465, 569770, 778610, 797678, 818335, 860930, 904855, 1145669, 1266797, 1636670, 1809710, 1994195, 2291338, 2533594, 2791873, 3988390, 5583746, 5728345, 5868631, 6333985, 8019683, 8867579, 11456690, 11737262, 12667970, 13959365, 16039366, 17735158, 19543111, 27918730, 29343155, 39086222, 40098415, 41080417, 44337895, 58686310, 80196830, 82160834, 88675790, 97715555, 195431110, 205402085, 287562919, 410804170, 575125838, 1437814595, 2012940433, 2875629190, 4025880866, 10064702165, 20129404330]

約数ペア:

[(1, 20129404330), (2, 10064702165), (5, 4025880866), (7, 2875629190), (10, 2012940433), (14, 1437814595), (35, 575125838), (49, 410804170), (70, 287562919), (98, 205402085), (103, 195431110), (206, 97715555), (227, 88675790), (245, 82160834), (251, 80196830), (343, 58686310), (454, 44337895), (490, 41080417), (502, 40098415), (515, 39086222), (686, 29343155), (721, 27918730), (1030, 19543111), (1135, 17735158), (1255, 16039366), (1442, 13959365), (1589, 12667970), (1715, 11737262), (1757, 11456690), (2270, 8867579), (2510, 8019683), (3178, 6333985), (3430, 5868631), (3514, 5728345), (3605, 5583746), (5047, 3988390), (7210, 2791873), (7945, 2533594), (8785, 2291338), (10094, 1994195), (11123, 1809710), (12299, 1636670), (15890, 1266797), (17570, 1145669), (22246, 904855), (23381, 860930), (24598, 818335), (25235, 797678), (25853, 778610), (35329, 569770), (46762, 430465), (50470, 398839), (51706, 389305), (55615, 361942), (56977, 353290), (61495, 327334), (70658, 284885), (77861, 258530), (86093, 233810), (111230, 180971), (113954, 176645), (116905, 172186), (122990, 163667), (129265, 155722)]