280602

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1$

素因数の和:163

約数の個数: 48

約数和(自身を含む): 741312

約数和(自身を除く): 460710

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 34, 42, 51, 63, 102, 119, 126, 131, 153, 238, 262, 306, 357, 393, 714, 786, 917, 1071, 1179, 1834, 2142, 2227, 2358, 2751, 4454, 5502, 6681, 8253, 13362, 15589, 16506, 20043, 31178, 40086, 46767, 93534, 140301, 280602]

約数ペア:

[(1, 280602), (2, 140301), (3, 93534), (6, 46767), (7, 40086), (9, 31178), (14, 20043), (17, 16506), (18, 15589), (21, 13362), (34, 8253), (42, 6681), (51, 5502), (63, 4454), (102, 2751), (119, 2358), (126, 2227), (131, 2142), (153, 1834), (238, 1179), (262, 1071), (306, 917), (357, 786), (393, 714)]