8614900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1$

素因数の和:449

約数の個数: 72

約数和(自身を含む): 22109696

約数和(自身を除く): 13494796

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 31, 35, 50, 62, 70, 100, 124, 140, 155, 175, 217, 310, 350, 397, 434, 620, 700, 775, 794, 868, 1085, 1550, 1588, 1985, 2170, 2779, 3100, 3970, 4340, 5425, 5558, 7940, 9925, 10850, 11116, 12307, 13895, 19850, 21700, 24614, 27790, 39700, 49228, 55580, 61535, 69475, 86149, 123070, 138950, 172298, 246140, 277900, 307675, 344596, 430745, 615350, 861490, 1230700, 1722980, 2153725, 4307450, 8614900]

約数ペア:

[(1, 8614900), (2, 4307450), (4, 2153725), (5, 1722980), (7, 1230700), (10, 861490), (14, 615350), (20, 430745), (25, 344596), (28, 307675), (31, 277900), (35, 246140), (50, 172298), (62, 138950), (70, 123070), (100, 86149), (124, 69475), (140, 61535), (155, 55580), (175, 49228), (217, 39700), (310, 27790), (350, 24614), (397, 21700), (434, 19850), (620, 13895), (700, 12307), (775, 11116), (794, 10850), (868, 9925), (1085, 7940), (1550, 5558), (1588, 5425), (1985, 4340), (2170, 3970), (2779, 3100)]