29913790

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:205

約数の個数: 64

約数和(自身を含む): 60264000

約数和(自身を除く): 30350210

約数列:

[1, 2, 5, 10, 19, 29, 38, 58, 61, 89, 95, 122, 145, 178, 190, 290, 305, 445, 551, 610, 890, 1102, 1159, 1691, 1769, 2318, 2581, 2755, 3382, 3538, 5162, 5429, 5510, 5795, 8455, 8845, 10858, 11590, 12905, 16910, 17690, 25810, 27145, 33611, 49039, 54290, 67222, 98078, 103151, 157441, 168055, 206302, 245195, 314882, 336110, 490390, 515755, 787205, 1031510, 1574410, 2991379, 5982758, 14956895, 29913790]

約数ペア:

[(1, 29913790), (2, 14956895), (5, 5982758), (10, 2991379), (19, 1574410), (29, 1031510), (38, 787205), (58, 515755), (61, 490390), (89, 336110), (95, 314882), (122, 245195), (145, 206302), (178, 168055), (190, 157441), (290, 103151), (305, 98078), (445, 67222), (551, 54290), (610, 49039), (890, 33611), (1102, 27145), (1159, 25810), (1691, 17690), (1769, 16910), (2318, 12905), (2581, 11590), (2755, 10858), (3382, 8845), (3538, 8455), (5162, 5795), (5429, 5510)]