204513920

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{523}}^1$

素因数の和:602

約数の個数: 128

約数和(自身を含む): 538755840

約数和(自身を除く): 334241920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 47, 52, 64, 65, 80, 94, 104, 128, 130, 160, 188, 208, 235, 260, 320, 376, 416, 470, 520, 523, 611, 640, 752, 832, 940, 1040, 1046, 1222, 1504, 1664, 1880, 2080, 2092, 2444, 2615, 3008, 3055, 3760, 4160, 4184, 4888, 5230, 6016, 6110, 6799, 7520, 8320, 8368, 9776, 10460, 12220, 13598, 15040, 16736, 19552, 20920, 24440, 24581, 27196, 30080, 33472, 33995, 39104, 41840, 48880, 49162, 54392, 66944, 67990, 78208, 83680, 97760, 98324, 108784, 122905, 135980, 167360, 195520, 196648, 217568, 245810, 271960, 319553, 334720, 391040, 393296, 435136, 491620, 543920, 639106, 786592, 870272, 983240, 1087840, 1278212, 1573184, 1597765, 1966480, 2175680, 2556424, 3146368, 3195530, 3932960, 4351360, 5112848, 6391060, 7865920, 10225696, 12782120, 15731840, 20451392, 25564240, 40902784, 51128480, 102256960, 204513920]

約数ペア:

[(1, 204513920), (2, 102256960), (4, 51128480), (5, 40902784), (8, 25564240), (10, 20451392), (13, 15731840), (16, 12782120), (20, 10225696), (26, 7865920), (32, 6391060), (40, 5112848), (47, 4351360), (52, 3932960), (64, 3195530), (65, 3146368), (80, 2556424), (94, 2175680), (104, 1966480), (128, 1597765), (130, 1573184), (160, 1278212), (188, 1087840), (208, 983240), (235, 870272), (260, 786592), (320, 639106), (376, 543920), (416, 491620), (470, 435136), (520, 393296), (523, 391040), (611, 334720), (640, 319553), (752, 271960), (832, 245810), (940, 217568), (1040, 196648), (1046, 195520), (1222, 167360), (1504, 135980), (1664, 122905), (1880, 108784), (2080, 98324), (2092, 97760), (2444, 83680), (2615, 78208), (3008, 67990), (3055, 66944), (3760, 54392), (4160, 49162), (4184, 48880), (4888, 41840), (5230, 39104), (6016, 33995), (6110, 33472), (6799, 30080), (7520, 27196), (8320, 24581), (8368, 24440), (9776, 20920), (10460, 19552), (12220, 16736), (13598, 15040)]