493886330

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1\times {\mathrm{557}}^1$

素因数の和:863

約数の個数: 64

約数和(自身を含む): 1041361920

約数和(自身を除く): 547475590

約数列:

[1, 2, 5, 7, 10, 14, 35, 53, 70, 106, 239, 265, 371, 478, 530, 557, 742, 1114, 1195, 1673, 1855, 2390, 2785, 3346, 3710, 3899, 5570, 7798, 8365, 12667, 16730, 19495, 25334, 29521, 38990, 59042, 63335, 88669, 126670, 133123, 147605, 177338, 206647, 266246, 295210, 413294, 443345, 665615, 886690, 931861, 1033235, 1331230, 1863722, 2066470, 4659305, 7055519, 9318610, 14111038, 35277595, 49388633, 70555190, 98777266, 246943165, 493886330]

約数ペア:

[(1, 493886330), (2, 246943165), (5, 98777266), (7, 70555190), (10, 49388633), (14, 35277595), (35, 14111038), (53, 9318610), (70, 7055519), (106, 4659305), (239, 2066470), (265, 1863722), (371, 1331230), (478, 1033235), (530, 931861), (557, 886690), (742, 665615), (1114, 443345), (1195, 413294), (1673, 295210), (1855, 266246), (2390, 206647), (2785, 177338), (3346, 147605), (3710, 133123), (3899, 126670), (5570, 88669), (7798, 63335), (8365, 59042), (12667, 38990), (16730, 29521), (19495, 25334)]