123907000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{571}}^1$

素因数の和:630

約数の個数: 128

約数和(自身を含む): 342650880

約数和(自身を除く): 218743880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 31, 35, 40, 50, 56, 62, 70, 100, 124, 125, 140, 155, 175, 200, 217, 248, 250, 280, 310, 350, 434, 500, 571, 620, 700, 775, 868, 875, 1000, 1085, 1142, 1240, 1400, 1550, 1736, 1750, 2170, 2284, 2855, 3100, 3500, 3875, 3997, 4340, 4568, 5425, 5710, 6200, 7000, 7750, 7994, 8680, 10850, 11420, 14275, 15500, 15988, 17701, 19985, 21700, 22840, 27125, 28550, 31000, 31976, 35402, 39970, 43400, 54250, 57100, 70804, 71375, 79940, 88505, 99925, 108500, 114200, 123907, 141608, 142750, 159880, 177010, 199850, 217000, 247814, 285500, 354020, 399700, 442525, 495628, 499625, 571000, 619535, 708040, 799400, 885050, 991256, 999250, 1239070, 1770100, 1998500, 2212625, 2478140, 3097675, 3540200, 3997000, 4425250, 4956280, 6195350, 8850500, 12390700, 15488375, 17701000, 24781400, 30976750, 61953500, 123907000]

約数ペア:

[(1, 123907000), (2, 61953500), (4, 30976750), (5, 24781400), (7, 17701000), (8, 15488375), (10, 12390700), (14, 8850500), (20, 6195350), (25, 4956280), (28, 4425250), (31, 3997000), (35, 3540200), (40, 3097675), (50, 2478140), (56, 2212625), (62, 1998500), (70, 1770100), (100, 1239070), (124, 999250), (125, 991256), (140, 885050), (155, 799400), (175, 708040), (200, 619535), (217, 571000), (248, 499625), (250, 495628), (280, 442525), (310, 399700), (350, 354020), (434, 285500), (500, 247814), (571, 217000), (620, 199850), (700, 177010), (775, 159880), (868, 142750), (875, 141608), (1000, 123907), (1085, 114200), (1142, 108500), (1240, 99925), (1400, 88505), (1550, 79940), (1736, 71375), (1750, 70804), (2170, 57100), (2284, 54250), (2855, 43400), (3100, 39970), (3500, 35402), (3875, 31976), (3997, 31000), (4340, 28550), (4568, 27125), (5425, 22840), (5710, 21700), (6200, 19985), (7000, 17701), (7750, 15988), (7994, 15500), (8680, 14275), (10850, 11420)]