269618780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{7129}}^1$

素因数の和:7230

約数の個数: 48

約数和(自身を含む): 594128640

約数和(自身を除く): 324509860

約数列:

[1, 2, 4, 5, 10, 20, 31, 61, 62, 122, 124, 155, 244, 305, 310, 610, 620, 1220, 1891, 3782, 7129, 7564, 9455, 14258, 18910, 28516, 35645, 37820, 71290, 142580, 220999, 434869, 441998, 869738, 883996, 1104995, 1739476, 2174345, 2209990, 4348690, 4419980, 8697380, 13480939, 26961878, 53923756, 67404695, 134809390, 269618780]

約数ペア:

[(1, 269618780), (2, 134809390), (4, 67404695), (5, 53923756), (10, 26961878), (20, 13480939), (31, 8697380), (61, 4419980), (62, 4348690), (122, 2209990), (124, 2174345), (155, 1739476), (244, 1104995), (305, 883996), (310, 869738), (610, 441998), (620, 434869), (1220, 220999), (1891, 142580), (3782, 71290), (7129, 37820), (7564, 35645), (9455, 28516), (14258, 18910)]