390311880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{3547}}^1$

素因数の和:3699

約数の個数: 128

約数和(自身を含む): 1348807680

約数和(自身を除く): 958495800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 131, 140, 168, 210, 262, 280, 393, 420, 524, 655, 786, 840, 917, 1048, 1310, 1572, 1834, 1965, 2620, 2751, 3144, 3547, 3668, 3930, 4585, 5240, 5502, 7094, 7336, 7860, 9170, 10641, 11004, 13755, 14188, 15720, 17735, 18340, 21282, 22008, 24829, 27510, 28376, 35470, 36680, 42564, 49658, 53205, 55020, 70940, 74487, 85128, 99316, 106410, 110040, 124145, 141880, 148974, 198632, 212820, 248290, 297948, 372435, 425640, 464657, 496580, 595896, 744870, 929314, 993160, 1393971, 1489740, 1858628, 2323285, 2787942, 2979480, 3252599, 3717256, 4646570, 5575884, 6505198, 6969855, 9293140, 9757797, 11151768, 13010396, 13939710, 16262995, 18586280, 19515594, 26020792, 27879420, 32525990, 39031188, 48788985, 55758840, 65051980, 78062376, 97577970, 130103960, 195155940, 390311880]

約数ペア:

[(1, 390311880), (2, 195155940), (3, 130103960), (4, 97577970), (5, 78062376), (6, 65051980), (7, 55758840), (8, 48788985), (10, 39031188), (12, 32525990), (14, 27879420), (15, 26020792), (20, 19515594), (21, 18586280), (24, 16262995), (28, 13939710), (30, 13010396), (35, 11151768), (40, 9757797), (42, 9293140), (56, 6969855), (60, 6505198), (70, 5575884), (84, 4646570), (105, 3717256), (120, 3252599), (131, 2979480), (140, 2787942), (168, 2323285), (210, 1858628), (262, 1489740), (280, 1393971), (393, 993160), (420, 929314), (524, 744870), (655, 595896), (786, 496580), (840, 464657), (917, 425640), (1048, 372435), (1310, 297948), (1572, 248290), (1834, 212820), (1965, 198632), (2620, 148974), (2751, 141880), (3144, 124145), (3547, 110040), (3668, 106410), (3930, 99316), (4585, 85128), (5240, 74487), (5502, 70940), (7094, 55020), (7336, 53205), (7860, 49658), (9170, 42564), (10641, 36680), (11004, 35470), (13755, 28376), (14188, 27510), (15720, 24829), (17735, 22008), (18340, 21282)]