1978667850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{149}}^1\times {\mathrm{223}}^1\times {\mathrm{397}}^1$

素因数の和:784

約数の個数: 96

約数和(自身を含む): 4974681600

約数和(自身を除く): 2996013750

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 149, 150, 223, 298, 397, 446, 447, 669, 745, 794, 894, 1115, 1191, 1338, 1490, 1985, 2230, 2235, 2382, 3345, 3725, 3970, 4470, 5575, 5955, 6690, 7450, 9925, 11150, 11175, 11910, 16725, 19850, 22350, 29775, 33227, 33450, 59153, 59550, 66454, 88531, 99681, 118306, 166135, 177062, 177459, 199362, 265593, 295765, 332270, 354918, 442655, 498405, 531186, 591530, 830675, 885310, 887295, 996810, 1327965, 1478825, 1661350, 1774590, 2213275, 2492025, 2655930, 2957650, 4426550, 4436475, 4984050, 6639825, 8872950, 13191119, 13279650, 26382238, 39573357, 65955595, 79146714, 131911190, 197866785, 329777975, 395733570, 659555950, 989333925, 1978667850]

約数ペア:

[(1, 1978667850), (2, 989333925), (3, 659555950), (5, 395733570), (6, 329777975), (10, 197866785), (15, 131911190), (25, 79146714), (30, 65955595), (50, 39573357), (75, 26382238), (149, 13279650), (150, 13191119), (223, 8872950), (298, 6639825), (397, 4984050), (446, 4436475), (447, 4426550), (669, 2957650), (745, 2655930), (794, 2492025), (894, 2213275), (1115, 1774590), (1191, 1661350), (1338, 1478825), (1490, 1327965), (1985, 996810), (2230, 887295), (2235, 885310), (2382, 830675), (3345, 591530), (3725, 531186), (3970, 498405), (4470, 442655), (5575, 354918), (5955, 332270), (6690, 295765), (7450, 265593), (9925, 199362), (11150, 177459), (11175, 177062), (11910, 166135), (16725, 118306), (19850, 99681), (22350, 88531), (29775, 66454), (33227, 59550), (33450, 59153)]