142798980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139999}}^1$

素因数の和:140028

約数の個数: 48

約数和(自身を含む): 423360000

約数和(自身を除く): 280561020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 139999, 279998, 419997, 559996, 699995, 839994, 1399990, 1679988, 2099985, 2379983, 2799980, 4199970, 4759966, 7139949, 8399940, 9519932, 11899915, 14279898, 23799830, 28559796, 35699745, 47599660, 71399490, 142798980]

約数ペア:

[(1, 142798980), (2, 71399490), (3, 47599660), (4, 35699745), (5, 28559796), (6, 23799830), (10, 14279898), (12, 11899915), (15, 9519932), (17, 8399940), (20, 7139949), (30, 4759966), (34, 4199970), (51, 2799980), (60, 2379983), (68, 2099985), (85, 1679988), (102, 1399990), (170, 839994), (204, 699995), (255, 559996), (340, 419997), (510, 279998), (1020, 139999)]