221375460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{8443}}^1$

素因数の和:8497

約数の個数: 96

約数和(自身を含む): 680924160

約数和(自身を除く): 459548700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 23, 30, 38, 46, 57, 60, 69, 76, 92, 95, 114, 115, 138, 190, 228, 230, 276, 285, 345, 380, 437, 460, 570, 690, 874, 1140, 1311, 1380, 1748, 2185, 2622, 4370, 5244, 6555, 8443, 8740, 13110, 16886, 25329, 26220, 33772, 42215, 50658, 84430, 101316, 126645, 160417, 168860, 194189, 253290, 320834, 388378, 481251, 506580, 582567, 641668, 776756, 802085, 962502, 970945, 1165134, 1604170, 1925004, 1941890, 2330268, 2406255, 2912835, 3208340, 3689591, 3883780, 4812510, 5825670, 7379182, 9625020, 11068773, 11651340, 14758364, 18447955, 22137546, 36895910, 44275092, 55343865, 73791820, 110687730, 221375460]

約数ペア:

[(1, 221375460), (2, 110687730), (3, 73791820), (4, 55343865), (5, 44275092), (6, 36895910), (10, 22137546), (12, 18447955), (15, 14758364), (19, 11651340), (20, 11068773), (23, 9625020), (30, 7379182), (38, 5825670), (46, 4812510), (57, 3883780), (60, 3689591), (69, 3208340), (76, 2912835), (92, 2406255), (95, 2330268), (114, 1941890), (115, 1925004), (138, 1604170), (190, 1165134), (228, 970945), (230, 962502), (276, 802085), (285, 776756), (345, 641668), (380, 582567), (437, 506580), (460, 481251), (570, 388378), (690, 320834), (874, 253290), (1140, 194189), (1311, 168860), (1380, 160417), (1748, 126645), (2185, 101316), (2622, 84430), (4370, 50658), (5244, 42215), (6555, 33772), (8443, 26220), (8740, 25329), (13110, 16886)]