280042230

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{16699}}^1$

素因数の和:16765

約数の個数: 64

約数和(自身を含む): 740678400

約数和(自身を除く): 460636170

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 43, 65, 78, 86, 129, 130, 195, 215, 258, 390, 430, 559, 645, 1118, 1290, 1677, 2795, 3354, 5590, 8385, 16699, 16770, 33398, 50097, 83495, 100194, 166990, 217087, 250485, 434174, 500970, 651261, 718057, 1085435, 1302522, 1436114, 2154171, 2170870, 3256305, 3590285, 4308342, 6512610, 7180570, 9334741, 10770855, 18669482, 21541710, 28004223, 46673705, 56008446, 93347410, 140021115, 280042230]

約数ペア:

[(1, 280042230), (2, 140021115), (3, 93347410), (5, 56008446), (6, 46673705), (10, 28004223), (13, 21541710), (15, 18669482), (26, 10770855), (30, 9334741), (39, 7180570), (43, 6512610), (65, 4308342), (78, 3590285), (86, 3256305), (129, 2170870), (130, 2154171), (195, 1436114), (215, 1302522), (258, 1085435), (390, 718057), (430, 651261), (559, 500970), (645, 434174), (1118, 250485), (1290, 217087), (1677, 166990), (2795, 100194), (3354, 83495), (5590, 50097), (8385, 33398), (16699, 16770)]