278314120

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{953}}^1$

素因数の和:1127

約数の個数: 96

約数和(自身を含む): 734103000

約数和(自身を除く): 455788880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 149, 196, 245, 280, 298, 392, 490, 596, 745, 953, 980, 1043, 1192, 1490, 1906, 1960, 2086, 2980, 3812, 4172, 4765, 5215, 5960, 6671, 7301, 7624, 8344, 9530, 10430, 13342, 14602, 19060, 20860, 26684, 29204, 33355, 36505, 38120, 41720, 46697, 53368, 58408, 66710, 73010, 93394, 133420, 141997, 146020, 186788, 233485, 266840, 283994, 292040, 373576, 466970, 567988, 709985, 933940, 993979, 1135976, 1419970, 1867880, 1987958, 2839940, 3975916, 4969895, 5679880, 6957853, 7951832, 9939790, 13915706, 19879580, 27831412, 34789265, 39759160, 55662824, 69578530, 139157060, 278314120]

約数ペア:

[(1, 278314120), (2, 139157060), (4, 69578530), (5, 55662824), (7, 39759160), (8, 34789265), (10, 27831412), (14, 19879580), (20, 13915706), (28, 9939790), (35, 7951832), (40, 6957853), (49, 5679880), (56, 4969895), (70, 3975916), (98, 2839940), (140, 1987958), (149, 1867880), (196, 1419970), (245, 1135976), (280, 993979), (298, 933940), (392, 709985), (490, 567988), (596, 466970), (745, 373576), (953, 292040), (980, 283994), (1043, 266840), (1192, 233485), (1490, 186788), (1906, 146020), (1960, 141997), (2086, 133420), (2980, 93394), (3812, 73010), (4172, 66710), (4765, 58408), (5215, 53368), (5960, 46697), (6671, 41720), (7301, 38120), (7624, 36505), (8344, 33355), (9530, 29204), (10430, 26684), (13342, 20860), (14602, 19060)]