329919980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{40933}}^1$

素因数の和:40986

約数の個数: 48

約数和(自身を含む): 770214144

約数和(自身を除く): 440294164

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 40933, 81866, 163732, 204665, 409330, 532129, 818660, 1064258, 1268923, 2128516, 2537846, 2660645, 5075692, 5321290, 6344615, 10642580, 12689230, 16495999, 25378460, 32991998, 65983996, 82479995, 164959990, 329919980]

約数ペア:

[(1, 329919980), (2, 164959990), (4, 82479995), (5, 65983996), (10, 32991998), (13, 25378460), (20, 16495999), (26, 12689230), (31, 10642580), (52, 6344615), (62, 5321290), (65, 5075692), (124, 2660645), (130, 2537846), (155, 2128516), (260, 1268923), (310, 1064258), (403, 818660), (620, 532129), (806, 409330), (1612, 204665), (2015, 163732), (4030, 81866), (8060, 40933)]