387450400

素因数分解:

$2^5\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{919}}^1$

素因数の和:987

約数の個数: 144

約数和(自身を含む): 1034933760

約数和(自身を除く): 647483360

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 31, 32, 34, 40, 50, 62, 68, 80, 85, 100, 124, 136, 155, 160, 170, 200, 248, 272, 310, 340, 400, 425, 496, 527, 544, 620, 680, 775, 800, 850, 919, 992, 1054, 1240, 1360, 1550, 1700, 1838, 2108, 2480, 2635, 2720, 3100, 3400, 3676, 4216, 4595, 4960, 5270, 6200, 6800, 7352, 8432, 9190, 10540, 12400, 13175, 13600, 14704, 15623, 16864, 18380, 21080, 22975, 24800, 26350, 28489, 29408, 31246, 36760, 42160, 45950, 52700, 56978, 62492, 73520, 78115, 84320, 91900, 105400, 113956, 124984, 142445, 147040, 156230, 183800, 210800, 227912, 249968, 284890, 312460, 367600, 390575, 421600, 455824, 484313, 499936, 569780, 624920, 712225, 735200, 781150, 911648, 968626, 1139560, 1249840, 1424450, 1562300, 1937252, 2279120, 2421565, 2499680, 2848900, 3124600, 3874504, 4558240, 4843130, 5697800, 6249200, 7749008, 9686260, 11395600, 12107825, 12498400, 15498016, 19372520, 22791200, 24215650, 38745040, 48431300, 77490080, 96862600, 193725200, 387450400]

約数ペア:

[(1, 387450400), (2, 193725200), (4, 96862600), (5, 77490080), (8, 48431300), (10, 38745040), (16, 24215650), (17, 22791200), (20, 19372520), (25, 15498016), (31, 12498400), (32, 12107825), (34, 11395600), (40, 9686260), (50, 7749008), (62, 6249200), (68, 5697800), (80, 4843130), (85, 4558240), (100, 3874504), (124, 3124600), (136, 2848900), (155, 2499680), (160, 2421565), (170, 2279120), (200, 1937252), (248, 1562300), (272, 1424450), (310, 1249840), (340, 1139560), (400, 968626), (425, 911648), (496, 781150), (527, 735200), (544, 712225), (620, 624920), (680, 569780), (775, 499936), (800, 484313), (850, 455824), (919, 421600), (992, 390575), (1054, 367600), (1240, 312460), (1360, 284890), (1550, 249968), (1700, 227912), (1838, 210800), (2108, 183800), (2480, 156230), (2635, 147040), (2720, 142445), (3100, 124984), (3400, 113956), (3676, 105400), (4216, 91900), (4595, 84320), (4960, 78115), (5270, 73520), (6200, 62492), (6800, 56978), (7352, 52700), (8432, 45950), (9190, 42160), (10540, 36760), (12400, 31246), (13175, 29408), (13600, 28489), (14704, 26350), (15623, 24800), (16864, 22975), (18380, 21080)]