201980500

素因数分解:

$2^2\times 5^3\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:290

約数の個数: 96

約数和(自身を含む): 463776768

約数和(自身を除く): 261796268

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 83, 100, 124, 125, 155, 157, 166, 250, 310, 314, 332, 415, 500, 620, 628, 775, 785, 830, 1550, 1570, 1660, 2075, 2573, 3100, 3140, 3875, 3925, 4150, 4867, 5146, 7750, 7850, 8300, 9734, 10292, 10375, 12865, 13031, 15500, 15700, 19468, 19625, 20750, 24335, 25730, 26062, 39250, 41500, 48670, 51460, 52124, 64325, 65155, 78500, 97340, 121675, 128650, 130310, 243350, 257300, 260620, 321625, 325775, 403961, 486700, 608375, 643250, 651550, 807922, 1216750, 1286500, 1303100, 1615844, 1628875, 2019805, 2433500, 3257750, 4039610, 6515500, 8079220, 10099025, 20198050, 40396100, 50495125, 100990250, 201980500]

約数ペア:

[(1, 201980500), (2, 100990250), (4, 50495125), (5, 40396100), (10, 20198050), (20, 10099025), (25, 8079220), (31, 6515500), (50, 4039610), (62, 3257750), (83, 2433500), (100, 2019805), (124, 1628875), (125, 1615844), (155, 1303100), (157, 1286500), (166, 1216750), (250, 807922), (310, 651550), (314, 643250), (332, 608375), (415, 486700), (500, 403961), (620, 325775), (628, 321625), (775, 260620), (785, 257300), (830, 243350), (1550, 130310), (1570, 128650), (1660, 121675), (2075, 97340), (2573, 78500), (3100, 65155), (3140, 64325), (3875, 52124), (3925, 51460), (4150, 48670), (4867, 41500), (5146, 39250), (7750, 26062), (7850, 25730), (8300, 24335), (9734, 20750), (10292, 19625), (10375, 19468), (12865, 15700), (13031, 15500)]