349967840

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^2\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:209

約数の個数: 144

約数和(自身を含む): 895215888

約数和(自身を除く): 545248048

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 73, 76, 80, 83, 95, 146, 152, 160, 166, 190, 292, 304, 332, 361, 365, 380, 415, 584, 608, 664, 722, 730, 760, 830, 1168, 1328, 1387, 1444, 1460, 1520, 1577, 1660, 1805, 2336, 2656, 2774, 2888, 2920, 3040, 3154, 3320, 3610, 5548, 5776, 5840, 6059, 6308, 6640, 6935, 7220, 7885, 11096, 11552, 11680, 12118, 12616, 13280, 13870, 14440, 15770, 22192, 24236, 25232, 26353, 27740, 28880, 29963, 30295, 31540, 44384, 48472, 50464, 52706, 55480, 57760, 59926, 60590, 63080, 96944, 105412, 110960, 115121, 119852, 121180, 126160, 131765, 149815, 193888, 210824, 221920, 230242, 239704, 242360, 252320, 263530, 299630, 421648, 460484, 479408, 484720, 527060, 575605, 599260, 843296, 920968, 958816, 969440, 1054120, 1151210, 1198520, 1841936, 2108240, 2187299, 2302420, 2397040, 3683872, 4216480, 4374598, 4604840, 4794080, 8749196, 9209680, 10936495, 17498392, 18419360, 21872990, 34996784, 43745980, 69993568, 87491960, 174983920, 349967840]

約数ペア:

[(1, 349967840), (2, 174983920), (4, 87491960), (5, 69993568), (8, 43745980), (10, 34996784), (16, 21872990), (19, 18419360), (20, 17498392), (32, 10936495), (38, 9209680), (40, 8749196), (73, 4794080), (76, 4604840), (80, 4374598), (83, 4216480), (95, 3683872), (146, 2397040), (152, 2302420), (160, 2187299), (166, 2108240), (190, 1841936), (292, 1198520), (304, 1151210), (332, 1054120), (361, 969440), (365, 958816), (380, 920968), (415, 843296), (584, 599260), (608, 575605), (664, 527060), (722, 484720), (730, 479408), (760, 460484), (830, 421648), (1168, 299630), (1328, 263530), (1387, 252320), (1444, 242360), (1460, 239704), (1520, 230242), (1577, 221920), (1660, 210824), (1805, 193888), (2336, 149815), (2656, 131765), (2774, 126160), (2888, 121180), (2920, 119852), (3040, 115121), (3154, 110960), (3320, 105412), (3610, 96944), (5548, 63080), (5776, 60590), (5840, 59926), (6059, 57760), (6308, 55480), (6640, 52706), (6935, 50464), (7220, 48472), (7885, 44384), (11096, 31540), (11552, 30295), (11680, 29963), (12118, 28880), (12616, 27740), (13280, 26353), (13870, 25232), (14440, 24236), (15770, 22192)]