1988679700

素因数分解:

$2^2\times 5^2\times 7^3\times {\mathrm{37}}^1\times {\mathrm{1567}}^1$

素因数の和:1639

約数の個数: 144

約数和(自身を含む): 5171891200

約数和(自身を除く): 3183211500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 37, 49, 50, 70, 74, 98, 100, 140, 148, 175, 185, 196, 245, 259, 343, 350, 370, 490, 518, 686, 700, 740, 925, 980, 1036, 1225, 1295, 1372, 1567, 1715, 1813, 1850, 2450, 2590, 3134, 3430, 3626, 3700, 4900, 5180, 6268, 6475, 6860, 7252, 7835, 8575, 9065, 10969, 12691, 12950, 15670, 17150, 18130, 21938, 25382, 25900, 31340, 34300, 36260, 39175, 43876, 45325, 50764, 54845, 57979, 63455, 76783, 78350, 90650, 109690, 115958, 126910, 153566, 156700, 181300, 219380, 231916, 253820, 274225, 289895, 307132, 317275, 383915, 405853, 537481, 548450, 579790, 634550, 767830, 811706, 1074962, 1096900, 1159580, 1269100, 1449475, 1535660, 1623412, 1919575, 2029265, 2149924, 2687405, 2840971, 2898950, 3839150, 4058530, 5374810, 5681942, 5797900, 7678300, 8117060, 10146325, 10749620, 11363884, 13437025, 14204855, 19886797, 20292650, 26874050, 28409710, 39773594, 40585300, 53748100, 56819420, 71024275, 79547188, 99433985, 142048550, 198867970, 284097100, 397735940, 497169925, 994339850, 1988679700]

約数ペア:

[(1, 1988679700), (2, 994339850), (4, 497169925), (5, 397735940), (7, 284097100), (10, 198867970), (14, 142048550), (20, 99433985), (25, 79547188), (28, 71024275), (35, 56819420), (37, 53748100), (49, 40585300), (50, 39773594), (70, 28409710), (74, 26874050), (98, 20292650), (100, 19886797), (140, 14204855), (148, 13437025), (175, 11363884), (185, 10749620), (196, 10146325), (245, 8117060), (259, 7678300), (343, 5797900), (350, 5681942), (370, 5374810), (490, 4058530), (518, 3839150), (686, 2898950), (700, 2840971), (740, 2687405), (925, 2149924), (980, 2029265), (1036, 1919575), (1225, 1623412), (1295, 1535660), (1372, 1449475), (1567, 1269100), (1715, 1159580), (1813, 1096900), (1850, 1074962), (2450, 811706), (2590, 767830), (3134, 634550), (3430, 579790), (3626, 548450), (3700, 537481), (4900, 405853), (5180, 383915), (6268, 317275), (6475, 307132), (6860, 289895), (7252, 274225), (7835, 253820), (8575, 231916), (9065, 219380), (10969, 181300), (12691, 156700), (12950, 153566), (15670, 126910), (17150, 115958), (18130, 109690), (21938, 90650), (25382, 78350), (25900, 76783), (31340, 63455), (34300, 57979), (36260, 54845), (39175, 50764), (43876, 45325)]