72508750

素因数分解:

$2^1\times 5^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:155

約数の個数: 80

約数和(自身を含む): 148452480

約数和(自身を除く): 75943730

約数列:

[1, 2, 5, 10, 19, 25, 38, 43, 50, 71, 86, 95, 125, 142, 190, 215, 250, 355, 430, 475, 625, 710, 817, 950, 1075, 1250, 1349, 1634, 1775, 2150, 2375, 2698, 3053, 3550, 4085, 4750, 5375, 6106, 6745, 8170, 8875, 10750, 11875, 13490, 15265, 17750, 20425, 23750, 26875, 30530, 33725, 40850, 44375, 53750, 58007, 67450, 76325, 88750, 102125, 116014, 152650, 168625, 204250, 290035, 337250, 381625, 510625, 580070, 763250, 843125, 1021250, 1450175, 1686250, 1908125, 2900350, 3816250, 7250875, 14501750, 36254375, 72508750]

約数ペア:

[(1, 72508750), (2, 36254375), (5, 14501750), (10, 7250875), (19, 3816250), (25, 2900350), (38, 1908125), (43, 1686250), (50, 1450175), (71, 1021250), (86, 843125), (95, 763250), (125, 580070), (142, 510625), (190, 381625), (215, 337250), (250, 290035), (355, 204250), (430, 168625), (475, 152650), (625, 116014), (710, 102125), (817, 88750), (950, 76325), (1075, 67450), (1250, 58007), (1349, 53750), (1634, 44375), (1775, 40850), (2150, 33725), (2375, 30530), (2698, 26875), (3053, 23750), (3550, 20425), (4085, 17750), (4750, 15265), (5375, 13490), (6106, 11875), (6745, 10750), (8170, 8875)]