28317900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:220

約数の個数: 144

約数和(自身を含む): 90556704

約数和(自身を除く): 62238804

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 53, 60, 65, 75, 78, 100, 106, 130, 137, 150, 156, 159, 195, 212, 260, 265, 274, 300, 318, 325, 390, 411, 530, 548, 636, 650, 685, 689, 780, 795, 822, 975, 1060, 1300, 1325, 1370, 1378, 1590, 1644, 1781, 1950, 2055, 2067, 2650, 2740, 2756, 3180, 3425, 3445, 3562, 3900, 3975, 4110, 4134, 5300, 5343, 6850, 6890, 7124, 7261, 7950, 8220, 8268, 8905, 10275, 10335, 10686, 13700, 13780, 14522, 15900, 17225, 17810, 20550, 20670, 21372, 21783, 26715, 29044, 34450, 35620, 36305, 41100, 41340, 43566, 44525, 51675, 53430, 68900, 72610, 87132, 89050, 94393, 103350, 106860, 108915, 133575, 145220, 178100, 181525, 188786, 206700, 217830, 267150, 283179, 363050, 377572, 435660, 471965, 534300, 544575, 566358, 726100, 943930, 1089150, 1132716, 1415895, 1887860, 2178300, 2359825, 2831790, 4719650, 5663580, 7079475, 9439300, 14158950, 28317900]

約数ペア:

[(1, 28317900), (2, 14158950), (3, 9439300), (4, 7079475), (5, 5663580), (6, 4719650), (10, 2831790), (12, 2359825), (13, 2178300), (15, 1887860), (20, 1415895), (25, 1132716), (26, 1089150), (30, 943930), (39, 726100), (50, 566358), (52, 544575), (53, 534300), (60, 471965), (65, 435660), (75, 377572), (78, 363050), (100, 283179), (106, 267150), (130, 217830), (137, 206700), (150, 188786), (156, 181525), (159, 178100), (195, 145220), (212, 133575), (260, 108915), (265, 106860), (274, 103350), (300, 94393), (318, 89050), (325, 87132), (390, 72610), (411, 68900), (530, 53430), (548, 51675), (636, 44525), (650, 43566), (685, 41340), (689, 41100), (780, 36305), (795, 35620), (822, 34450), (975, 29044), (1060, 26715), (1300, 21783), (1325, 21372), (1370, 20670), (1378, 20550), (1590, 17810), (1644, 17225), (1781, 15900), (1950, 14522), (2055, 13780), (2067, 13700), (2650, 10686), (2740, 10335), (2756, 10275), (3180, 8905), (3425, 8268), (3445, 8220), (3562, 7950), (3900, 7261), (3975, 7124), (4110, 6890), (4134, 6850), (5300, 5343)]