18669700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1$

素因数の和:349

約数の個数: 72

約数和(自身を含む): 46872000

約数和(自身を除く): 28202300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 149, 175, 179, 298, 350, 358, 596, 700, 716, 745, 895, 1043, 1253, 1490, 1790, 2086, 2506, 2980, 3580, 3725, 4172, 4475, 5012, 5215, 6265, 7450, 8950, 10430, 12530, 14900, 17900, 20860, 25060, 26075, 26671, 31325, 52150, 53342, 62650, 104300, 106684, 125300, 133355, 186697, 266710, 373394, 533420, 666775, 746788, 933485, 1333550, 1866970, 2667100, 3733940, 4667425, 9334850, 18669700]

約数ペア:

[(1, 18669700), (2, 9334850), (4, 4667425), (5, 3733940), (7, 2667100), (10, 1866970), (14, 1333550), (20, 933485), (25, 746788), (28, 666775), (35, 533420), (50, 373394), (70, 266710), (100, 186697), (140, 133355), (149, 125300), (175, 106684), (179, 104300), (298, 62650), (350, 53342), (358, 52150), (596, 31325), (700, 26671), (716, 26075), (745, 25060), (895, 20860), (1043, 17900), (1253, 14900), (1490, 12530), (1790, 10430), (2086, 8950), (2506, 7450), (2980, 6265), (3580, 5215), (3725, 5012), (4172, 4475)]