28372890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{547}}^1$

素因数の和:596

約数の個数: 128

約数和(自身を含む): 88381440

約数和(自身を除く): 60008550

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 19, 21, 26, 30, 35, 38, 39, 42, 57, 65, 70, 78, 91, 95, 105, 114, 130, 133, 182, 190, 195, 210, 247, 266, 273, 285, 390, 399, 455, 494, 546, 547, 570, 665, 741, 798, 910, 1094, 1235, 1330, 1365, 1482, 1641, 1729, 1995, 2470, 2730, 2735, 3282, 3458, 3705, 3829, 3990, 5187, 5470, 7111, 7410, 7658, 8205, 8645, 10374, 10393, 11487, 14222, 16410, 17290, 19145, 20786, 21333, 22974, 25935, 31179, 35555, 38290, 42666, 49777, 51870, 51965, 57435, 62358, 71110, 72751, 99554, 103930, 106665, 114870, 135109, 145502, 149331, 155895, 213330, 218253, 248885, 270218, 298662, 311790, 363755, 405327, 436506, 497770, 675545, 727510, 746655, 810654, 945763, 1091265, 1351090, 1493310, 1891526, 2026635, 2182530, 2837289, 4053270, 4728815, 5674578, 9457630, 14186445, 28372890]

約数ペア:

[(1, 28372890), (2, 14186445), (3, 9457630), (5, 5674578), (6, 4728815), (7, 4053270), (10, 2837289), (13, 2182530), (14, 2026635), (15, 1891526), (19, 1493310), (21, 1351090), (26, 1091265), (30, 945763), (35, 810654), (38, 746655), (39, 727510), (42, 675545), (57, 497770), (65, 436506), (70, 405327), (78, 363755), (91, 311790), (95, 298662), (105, 270218), (114, 248885), (130, 218253), (133, 213330), (182, 155895), (190, 149331), (195, 145502), (210, 135109), (247, 114870), (266, 106665), (273, 103930), (285, 99554), (390, 72751), (399, 71110), (455, 62358), (494, 57435), (546, 51965), (547, 51870), (570, 49777), (665, 42666), (741, 38290), (798, 35555), (910, 31179), (1094, 25935), (1235, 22974), (1330, 21333), (1365, 20786), (1482, 19145), (1641, 17290), (1729, 16410), (1995, 14222), (2470, 11487), (2730, 10393), (2735, 10374), (3282, 8645), (3458, 8205), (3705, 7658), (3829, 7410), (3990, 7111), (5187, 5470)]