490945140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{12569}}^1$

素因数の和:12622

約数の個数: 144

約数和(自身を含む): 1756984320

約数和(自身を除く): 1266039180

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 84, 90, 93, 105, 124, 126, 140, 155, 180, 186, 210, 217, 252, 279, 310, 315, 372, 420, 434, 465, 558, 620, 630, 651, 868, 930, 1085, 1116, 1260, 1302, 1395, 1860, 1953, 2170, 2604, 2790, 3255, 3906, 4340, 5580, 6510, 7812, 9765, 12569, 13020, 19530, 25138, 37707, 39060, 50276, 62845, 75414, 87983, 113121, 125690, 150828, 175966, 188535, 226242, 251380, 263949, 351932, 377070, 389639, 439915, 452484, 527898, 565605, 754140, 779278, 791847, 879830, 1055796, 1131210, 1168917, 1319745, 1558556, 1583694, 1759660, 1948195, 2262420, 2337834, 2639490, 2727473, 3167388, 3506751, 3896390, 3959235, 4675668, 5278980, 5454946, 5844585, 7013502, 7792780, 7918470, 8182419, 10909892, 11689170, 13637365, 14027004, 15836940, 16364838, 17533755, 23378340, 24547257, 27274730, 32729676, 35067510, 40912095, 49094514, 54549460, 70135020, 81824190, 98189028, 122736285, 163648380, 245472570, 490945140]

約数ペア:

[(1, 490945140), (2, 245472570), (3, 163648380), (4, 122736285), (5, 98189028), (6, 81824190), (7, 70135020), (9, 54549460), (10, 49094514), (12, 40912095), (14, 35067510), (15, 32729676), (18, 27274730), (20, 24547257), (21, 23378340), (28, 17533755), (30, 16364838), (31, 15836940), (35, 14027004), (36, 13637365), (42, 11689170), (45, 10909892), (60, 8182419), (62, 7918470), (63, 7792780), (70, 7013502), (84, 5844585), (90, 5454946), (93, 5278980), (105, 4675668), (124, 3959235), (126, 3896390), (140, 3506751), (155, 3167388), (180, 2727473), (186, 2639490), (210, 2337834), (217, 2262420), (252, 1948195), (279, 1759660), (310, 1583694), (315, 1558556), (372, 1319745), (420, 1168917), (434, 1131210), (465, 1055796), (558, 879830), (620, 791847), (630, 779278), (651, 754140), (868, 565605), (930, 527898), (1085, 452484), (1116, 439915), (1260, 389639), (1302, 377070), (1395, 351932), (1860, 263949), (1953, 251380), (2170, 226242), (2604, 188535), (2790, 175966), (3255, 150828), (3906, 125690), (4340, 113121), (5580, 87983), (6510, 75414), (7812, 62845), (9765, 50276), (12569, 39060), (13020, 37707), (19530, 25138)]