397942740

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{56687}}^1$

素因数の和:56718

約数の個数: 96

約数和(自身を含む): 1333301760

約数和(自身を除く): 935359020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 108, 117, 130, 135, 156, 180, 195, 234, 260, 270, 351, 390, 468, 540, 585, 702, 780, 1170, 1404, 1755, 2340, 3510, 7020, 56687, 113374, 170061, 226748, 283435, 340122, 510183, 566870, 680244, 736931, 850305, 1020366, 1133740, 1473862, 1530549, 1700610, 2040732, 2210793, 2550915, 2947724, 3061098, 3401220, 3684655, 4421586, 5101830, 6122196, 6632379, 7369310, 7652745, 8843172, 10203660, 11053965, 13264758, 14738620, 15305490, 19897137, 22107930, 26529516, 30610980, 33161895, 39794274, 44215860, 66323790, 79588548, 99485685, 132647580, 198971370, 397942740]

約数ペア:

[(1, 397942740), (2, 198971370), (3, 132647580), (4, 99485685), (5, 79588548), (6, 66323790), (9, 44215860), (10, 39794274), (12, 33161895), (13, 30610980), (15, 26529516), (18, 22107930), (20, 19897137), (26, 15305490), (27, 14738620), (30, 13264758), (36, 11053965), (39, 10203660), (45, 8843172), (52, 7652745), (54, 7369310), (60, 6632379), (65, 6122196), (78, 5101830), (90, 4421586), (108, 3684655), (117, 3401220), (130, 3061098), (135, 2947724), (156, 2550915), (180, 2210793), (195, 2040732), (234, 1700610), (260, 1530549), (270, 1473862), (351, 1133740), (390, 1020366), (468, 850305), (540, 736931), (585, 680244), (702, 566870), (780, 510183), (1170, 340122), (1404, 283435), (1755, 226748), (2340, 170061), (3510, 113374), (7020, 56687)]