396143580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{943199}}^1$

素因数の和:943218

約数の個数: 48

約数和(自身を含む): 1267660800

約数和(自身を除く): 871517220

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 943199, 1886398, 2829597, 3772796, 4715995, 5659194, 6602393, 9431990, 11318388, 13204786, 14147985, 18863980, 19807179, 26409572, 28295970, 33011965, 39614358, 56591940, 66023930, 79228716, 99035895, 132047860, 198071790, 396143580]

約数ペア:

[(1, 396143580), (2, 198071790), (3, 132047860), (4, 99035895), (5, 79228716), (6, 66023930), (7, 56591940), (10, 39614358), (12, 33011965), (14, 28295970), (15, 26409572), (20, 19807179), (21, 18863980), (28, 14147985), (30, 13204786), (35, 11318388), (42, 9431990), (60, 6602393), (70, 5659194), (84, 4715995), (105, 3772796), (140, 2829597), (210, 1886398), (420, 943199)]