2040987900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{971899}}^1$

素因数の和:971923

約数の個数: 72

約数和(自身を含む): 6748873600

約数和(自身を除く): 4707885700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 971899, 1943798, 2915697, 3887596, 4859495, 5831394, 6803293, 9718990, 11662788, 13606586, 14578485, 19437980, 20409879, 24297475, 27213172, 29156970, 34016465, 40819758, 48594950, 58313940, 68032930, 72892425, 81639516, 97189900, 102049395, 136065860, 145784850, 170082325, 204098790, 291569700, 340164650, 408197580, 510246975, 680329300, 1020493950, 2040987900]

約数ペア:

[(1, 2040987900), (2, 1020493950), (3, 680329300), (4, 510246975), (5, 408197580), (6, 340164650), (7, 291569700), (10, 204098790), (12, 170082325), (14, 145784850), (15, 136065860), (20, 102049395), (21, 97189900), (25, 81639516), (28, 72892425), (30, 68032930), (35, 58313940), (42, 48594950), (50, 40819758), (60, 34016465), (70, 29156970), (75, 27213172), (84, 24297475), (100, 20409879), (105, 19437980), (140, 14578485), (150, 13606586), (175, 11662788), (210, 9718990), (300, 6803293), (350, 5831394), (420, 4859495), (525, 3887596), (700, 2915697), (1050, 1943798), (2100, 971899)]