877019440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43331}}^1$

素因数の和:43378

約数の個数: 80

約数和(自身を含む): 2321208576

約数和(自身を除く): 1444189136

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 40, 44, 46, 55, 80, 88, 92, 110, 115, 176, 184, 220, 230, 253, 368, 440, 460, 506, 880, 920, 1012, 1265, 1840, 2024, 2530, 4048, 5060, 10120, 20240, 43331, 86662, 173324, 216655, 346648, 433310, 476641, 693296, 866620, 953282, 996613, 1733240, 1906564, 1993226, 2383205, 3466480, 3813128, 3986452, 4766410, 4983065, 7626256, 7972904, 9532820, 9966130, 10962743, 15945808, 19065640, 19932260, 21925486, 38131280, 39864520, 43850972, 54813715, 79729040, 87701944, 109627430, 175403888, 219254860, 438509720, 877019440]

約数ペア:

[(1, 877019440), (2, 438509720), (4, 219254860), (5, 175403888), (8, 109627430), (10, 87701944), (11, 79729040), (16, 54813715), (20, 43850972), (22, 39864520), (23, 38131280), (40, 21925486), (44, 19932260), (46, 19065640), (55, 15945808), (80, 10962743), (88, 9966130), (92, 9532820), (110, 7972904), (115, 7626256), (176, 4983065), (184, 4766410), (220, 3986452), (230, 3813128), (253, 3466480), (368, 2383205), (440, 1993226), (460, 1906564), (506, 1733240), (880, 996613), (920, 953282), (1012, 866620), (1265, 693296), (1840, 476641), (2024, 433310), (2530, 346648), (4048, 216655), (5060, 173324), (10120, 86662), (20240, 43331)]