353118520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:245

約数の個数: 128

約数和(自身を含む): 859299840

約数和(自身を除く): 506181320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 47, 62, 73, 83, 94, 124, 146, 155, 166, 188, 235, 248, 292, 310, 332, 365, 376, 415, 470, 584, 620, 664, 730, 830, 940, 1240, 1457, 1460, 1660, 1880, 2263, 2573, 2914, 2920, 3320, 3431, 3901, 4526, 5146, 5828, 6059, 6862, 7285, 7802, 9052, 10292, 11315, 11656, 12118, 12865, 13724, 14570, 15604, 17155, 18104, 19505, 20584, 22630, 24236, 25730, 27448, 29140, 30295, 31208, 34310, 39010, 45260, 48472, 51460, 58280, 60590, 68620, 78020, 90520, 102920, 106361, 120931, 121180, 137240, 156040, 187829, 212722, 241862, 242360, 284773, 375658, 425444, 483724, 531805, 569546, 604655, 751316, 850888, 939145, 967448, 1063610, 1139092, 1209310, 1423865, 1502632, 1878290, 2127220, 2278184, 2418620, 2847730, 3756580, 4254440, 4837240, 5695460, 7513160, 8827963, 11390920, 17655926, 35311852, 44139815, 70623704, 88279630, 176559260, 353118520]

約数ペア:

[(1, 353118520), (2, 176559260), (4, 88279630), (5, 70623704), (8, 44139815), (10, 35311852), (20, 17655926), (31, 11390920), (40, 8827963), (47, 7513160), (62, 5695460), (73, 4837240), (83, 4254440), (94, 3756580), (124, 2847730), (146, 2418620), (155, 2278184), (166, 2127220), (188, 1878290), (235, 1502632), (248, 1423865), (292, 1209310), (310, 1139092), (332, 1063610), (365, 967448), (376, 939145), (415, 850888), (470, 751316), (584, 604655), (620, 569546), (664, 531805), (730, 483724), (830, 425444), (940, 375658), (1240, 284773), (1457, 242360), (1460, 241862), (1660, 212722), (1880, 187829), (2263, 156040), (2573, 137240), (2914, 121180), (2920, 120931), (3320, 106361), (3431, 102920), (3901, 90520), (4526, 78020), (5146, 68620), (5828, 60590), (6059, 58280), (6862, 51460), (7285, 48472), (7802, 45260), (9052, 39010), (10292, 34310), (11315, 31208), (11656, 30295), (12118, 29140), (12865, 27448), (13724, 25730), (14570, 24236), (15604, 22630), (17155, 20584), (18104, 19505)]