278889000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{7151}}^1$

素因数の和:7188

約数の個数: 128

約数和(自身を含む): 937198080

約数和(自身を除く): 658309080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 25, 26, 30, 39, 40, 50, 52, 60, 65, 75, 78, 100, 104, 120, 125, 130, 150, 156, 195, 200, 250, 260, 300, 312, 325, 375, 390, 500, 520, 600, 650, 750, 780, 975, 1000, 1300, 1500, 1560, 1625, 1950, 2600, 3000, 3250, 3900, 4875, 6500, 7151, 7800, 9750, 13000, 14302, 19500, 21453, 28604, 35755, 39000, 42906, 57208, 71510, 85812, 92963, 107265, 143020, 171624, 178775, 185926, 214530, 278889, 286040, 357550, 371852, 429060, 464815, 536325, 557778, 715100, 743704, 858120, 893875, 929630, 1072650, 1115556, 1394445, 1430200, 1787750, 1859260, 2145300, 2231112, 2324075, 2681625, 2788890, 3575500, 3718520, 4290600, 4648150, 5363250, 5577780, 6972225, 7151000, 9296300, 10726500, 11155560, 11620375, 13944450, 18592600, 21453000, 23240750, 27888900, 34861125, 46481500, 55777800, 69722250, 92963000, 139444500, 278889000]

約数ペア:

[(1, 278889000), (2, 139444500), (3, 92963000), (4, 69722250), (5, 55777800), (6, 46481500), (8, 34861125), (10, 27888900), (12, 23240750), (13, 21453000), (15, 18592600), (20, 13944450), (24, 11620375), (25, 11155560), (26, 10726500), (30, 9296300), (39, 7151000), (40, 6972225), (50, 5577780), (52, 5363250), (60, 4648150), (65, 4290600), (75, 3718520), (78, 3575500), (100, 2788890), (104, 2681625), (120, 2324075), (125, 2231112), (130, 2145300), (150, 1859260), (156, 1787750), (195, 1430200), (200, 1394445), (250, 1115556), (260, 1072650), (300, 929630), (312, 893875), (325, 858120), (375, 743704), (390, 715100), (500, 557778), (520, 536325), (600, 464815), (650, 429060), (750, 371852), (780, 357550), (975, 286040), (1000, 278889), (1300, 214530), (1500, 185926), (1560, 178775), (1625, 171624), (1950, 143020), (2600, 107265), (3000, 92963), (3250, 85812), (3900, 71510), (4875, 57208), (6500, 42906), (7151, 39000), (7800, 35755), (9750, 28604), (13000, 21453), (14302, 19500)]