2196870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:197

約数の個数: 64

約数和(自身を含む): 5854464

約数和(自身を除く): 3657594

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 43, 65, 78, 86, 129, 130, 131, 195, 215, 258, 262, 390, 393, 430, 559, 645, 655, 786, 1118, 1290, 1310, 1677, 1703, 1965, 2795, 3354, 3406, 3930, 5109, 5590, 5633, 8385, 8515, 10218, 11266, 16770, 16899, 17030, 25545, 28165, 33798, 51090, 56330, 73229, 84495, 146458, 168990, 219687, 366145, 439374, 732290, 1098435, 2196870]

約数ペア:

[(1, 2196870), (2, 1098435), (3, 732290), (5, 439374), (6, 366145), (10, 219687), (13, 168990), (15, 146458), (26, 84495), (30, 73229), (39, 56330), (43, 51090), (65, 33798), (78, 28165), (86, 25545), (129, 17030), (130, 16899), (131, 16770), (195, 11266), (215, 10218), (258, 8515), (262, 8385), (390, 5633), (393, 5590), (430, 5109), (559, 3930), (645, 3406), (655, 3354), (786, 2795), (1118, 1965), (1290, 1703), (1310, 1677)]