490620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:79

約数の個数: 96

約数和(自身を含む): 1608768

約数和(自身を除く): 1118148

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 26, 30, 34, 37, 39, 51, 52, 60, 65, 68, 74, 78, 85, 102, 111, 130, 148, 156, 170, 185, 195, 204, 221, 222, 255, 260, 340, 370, 390, 442, 444, 481, 510, 555, 629, 663, 740, 780, 884, 962, 1020, 1105, 1110, 1258, 1326, 1443, 1887, 1924, 2210, 2220, 2405, 2516, 2652, 2886, 3145, 3315, 3774, 4420, 4810, 5772, 6290, 6630, 7215, 7548, 8177, 9435, 9620, 12580, 13260, 14430, 16354, 18870, 24531, 28860, 32708, 37740, 40885, 49062, 81770, 98124, 122655, 163540, 245310, 490620]

約数ペア:

[(1, 490620), (2, 245310), (3, 163540), (4, 122655), (5, 98124), (6, 81770), (10, 49062), (12, 40885), (13, 37740), (15, 32708), (17, 28860), (20, 24531), (26, 18870), (30, 16354), (34, 14430), (37, 13260), (39, 12580), (51, 9620), (52, 9435), (60, 8177), (65, 7548), (68, 7215), (74, 6630), (78, 6290), (85, 5772), (102, 4810), (111, 4420), (130, 3774), (148, 3315), (156, 3145), (170, 2886), (185, 2652), (195, 2516), (204, 2405), (221, 2220), (222, 2210), (255, 1924), (260, 1887), (340, 1443), (370, 1326), (390, 1258), (442, 1110), (444, 1105), (481, 1020), (510, 962), (555, 884), (629, 780), (663, 740)]