8878890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{421}}^1$

素因数の和:487

約数の個数: 64

約数和(自身を含む): 23091840

約数和(自身を除く): 14212950

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 37, 38, 57, 74, 95, 111, 114, 185, 190, 222, 285, 370, 421, 555, 570, 703, 842, 1110, 1263, 1406, 2105, 2109, 2526, 3515, 4210, 4218, 6315, 7030, 7999, 10545, 12630, 15577, 15998, 21090, 23997, 31154, 39995, 46731, 47994, 77885, 79990, 93462, 119985, 155770, 233655, 239970, 295963, 467310, 591926, 887889, 1479815, 1775778, 2959630, 4439445, 8878890]

約数ペア:

[(1, 8878890), (2, 4439445), (3, 2959630), (5, 1775778), (6, 1479815), (10, 887889), (15, 591926), (19, 467310), (30, 295963), (37, 239970), (38, 233655), (57, 155770), (74, 119985), (95, 93462), (111, 79990), (114, 77885), (185, 47994), (190, 46731), (222, 39995), (285, 31154), (370, 23997), (421, 21090), (555, 15998), (570, 15577), (703, 12630), (842, 10545), (1110, 7999), (1263, 7030), (1406, 6315), (2105, 4218), (2109, 4210), (2526, 3515)]