28319850

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:181

約数の個数: 144

約数和(自身を含む): 84494592

約数和(自身を除く): 56174742

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 39, 45, 47, 50, 65, 75, 78, 90, 94, 103, 117, 130, 141, 150, 195, 206, 225, 234, 235, 282, 309, 325, 390, 423, 450, 470, 515, 585, 611, 618, 650, 705, 846, 927, 975, 1030, 1170, 1175, 1222, 1339, 1410, 1545, 1833, 1854, 1950, 2115, 2350, 2575, 2678, 2925, 3055, 3090, 3525, 3666, 4017, 4230, 4635, 4841, 5150, 5499, 5850, 6110, 6695, 7050, 7725, 8034, 9165, 9270, 9682, 10575, 10998, 12051, 13390, 14523, 15275, 15450, 18330, 20085, 21150, 23175, 24102, 24205, 27495, 29046, 30550, 33475, 40170, 43569, 45825, 46350, 48410, 54990, 60255, 62933, 66950, 72615, 87138, 91650, 100425, 120510, 121025, 125866, 137475, 145230, 188799, 200850, 217845, 242050, 274950, 301275, 314665, 363075, 377598, 435690, 566397, 602550, 629330, 726150, 943995, 1089225, 1132794, 1573325, 1887990, 2178450, 2831985, 3146650, 4719975, 5663970, 9439950, 14159925, 28319850]

約数ペア:

[(1, 28319850), (2, 14159925), (3, 9439950), (5, 5663970), (6, 4719975), (9, 3146650), (10, 2831985), (13, 2178450), (15, 1887990), (18, 1573325), (25, 1132794), (26, 1089225), (30, 943995), (39, 726150), (45, 629330), (47, 602550), (50, 566397), (65, 435690), (75, 377598), (78, 363075), (90, 314665), (94, 301275), (103, 274950), (117, 242050), (130, 217845), (141, 200850), (150, 188799), (195, 145230), (206, 137475), (225, 125866), (234, 121025), (235, 120510), (282, 100425), (309, 91650), (325, 87138), (390, 72615), (423, 66950), (450, 62933), (470, 60255), (515, 54990), (585, 48410), (611, 46350), (618, 45825), (650, 43569), (705, 40170), (846, 33475), (927, 30550), (975, 29046), (1030, 27495), (1170, 24205), (1175, 24102), (1222, 23175), (1339, 21150), (1410, 20085), (1545, 18330), (1833, 15450), (1854, 15275), (1950, 14523), (2115, 13390), (2350, 12051), (2575, 10998), (2678, 10575), (2925, 9682), (3055, 9270), (3090, 9165), (3525, 8034), (3666, 7725), (4017, 7050), (4230, 6695), (4635, 6110), (4841, 5850), (5150, 5499)]