399697740

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18979}}^1$

素因数の和:19013

約数の個数: 120

約数和(自身を含む): 1350389040

約数和(自身を除く): 950691300

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, 81, 90, 108, 117, 130, 135, 156, 162, 180, 195, 234, 260, 270, 324, 351, 390, 405, 468, 540, 585, 702, 780, 810, 1053, 1170, 1404, 1620, 1755, 2106, 2340, 3510, 4212, 5265, 7020, 10530, 18979, 21060, 37958, 56937, 75916, 94895, 113874, 170811, 189790, 227748, 246727, 284685, 341622, 379580, 493454, 512433, 569370, 683244, 740181, 854055, 986908, 1024866, 1138740, 1233635, 1480362, 1537299, 1708110, 2049732, 2220543, 2467270, 2562165, 2960724, 3074598, 3416220, 3700905, 4441086, 4934540, 5124330, 6149196, 6661629, 7401810, 7686495, 8882172, 10248660, 11102715, 13323258, 14803620, 15372990, 19984887, 22205430, 26646516, 30745980, 33308145, 39969774, 44410860, 66616290, 79939548, 99924435, 133232580, 199848870, 399697740]

約数ペア:

[(1, 399697740), (2, 199848870), (3, 133232580), (4, 99924435), (5, 79939548), (6, 66616290), (9, 44410860), (10, 39969774), (12, 33308145), (13, 30745980), (15, 26646516), (18, 22205430), (20, 19984887), (26, 15372990), (27, 14803620), (30, 13323258), (36, 11102715), (39, 10248660), (45, 8882172), (52, 7686495), (54, 7401810), (60, 6661629), (65, 6149196), (78, 5124330), (81, 4934540), (90, 4441086), (108, 3700905), (117, 3416220), (130, 3074598), (135, 2960724), (156, 2562165), (162, 2467270), (180, 2220543), (195, 2049732), (234, 1708110), (260, 1537299), (270, 1480362), (324, 1233635), (351, 1138740), (390, 1024866), (405, 986908), (468, 854055), (540, 740181), (585, 683244), (702, 569370), (780, 512433), (810, 493454), (1053, 379580), (1170, 341622), (1404, 284685), (1620, 246727), (1755, 227748), (2106, 189790), (2340, 170811), (3510, 113874), (4212, 94895), (5265, 75916), (7020, 56937), (10530, 37958), (18979, 21060)]