258209700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{122957}}^1$

素因数の和:122981

約数の個数: 72

約数和(自身を含む): 853820352

約数和(自身を除く): 595610652

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 122957, 245914, 368871, 491828, 614785, 737742, 860699, 1229570, 1475484, 1721398, 1844355, 2459140, 2582097, 3073925, 3442796, 3688710, 4303495, 5164194, 6147850, 7377420, 8606990, 9221775, 10328388, 12295700, 12910485, 17213980, 18443550, 21517475, 25820970, 36887100, 43034950, 51641940, 64552425, 86069900, 129104850, 258209700]

約数ペア:

[(1, 258209700), (2, 129104850), (3, 86069900), (4, 64552425), (5, 51641940), (6, 43034950), (7, 36887100), (10, 25820970), (12, 21517475), (14, 18443550), (15, 17213980), (20, 12910485), (21, 12295700), (25, 10328388), (28, 9221775), (30, 8606990), (35, 7377420), (42, 6147850), (50, 5164194), (60, 4303495), (70, 3688710), (75, 3442796), (84, 3073925), (100, 2582097), (105, 2459140), (140, 1844355), (150, 1721398), (175, 1475484), (210, 1229570), (300, 860699), (350, 737742), (420, 614785), (525, 491828), (700, 368871), (1050, 245914), (2100, 122957)]