304891160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{571}}^1\times {\mathrm{1907}}^1$

素因数の和:2496

約数の個数: 64

約数和(自身を含む): 785790720

約数和(自身を除く): 480899560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 571, 1142, 1907, 2284, 2855, 3814, 3997, 4568, 5710, 7628, 7994, 9535, 11420, 13349, 15256, 15988, 19070, 19985, 22840, 26698, 31976, 38140, 39970, 53396, 66745, 76280, 79940, 106792, 133490, 159880, 266980, 533960, 1088897, 2177794, 4355588, 5444485, 7622279, 8711176, 10888970, 15244558, 21777940, 30489116, 38111395, 43555880, 60978232, 76222790, 152445580, 304891160]

約数ペア:

[(1, 304891160), (2, 152445580), (4, 76222790), (5, 60978232), (7, 43555880), (8, 38111395), (10, 30489116), (14, 21777940), (20, 15244558), (28, 10888970), (35, 8711176), (40, 7622279), (56, 5444485), (70, 4355588), (140, 2177794), (280, 1088897), (571, 533960), (1142, 266980), (1907, 159880), (2284, 133490), (2855, 106792), (3814, 79940), (3997, 76280), (4568, 66745), (5710, 53396), (7628, 39970), (7994, 38140), (9535, 31976), (11420, 26698), (13349, 22840), (15256, 19985), (15988, 19070)]