219325744

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{659}}^1$

素因数の和:770

約数の個数: 80

約数和(自身を含む): 487111680

約数和(自身を除く): 267785936

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 61, 62, 88, 122, 124, 176, 244, 248, 341, 488, 496, 659, 671, 682, 976, 1318, 1342, 1364, 1891, 2636, 2684, 2728, 3782, 5272, 5368, 5456, 7249, 7564, 10544, 10736, 14498, 15128, 20429, 20801, 28996, 30256, 40199, 40858, 41602, 57992, 80398, 81716, 83204, 115984, 160796, 163432, 166408, 224719, 321592, 326864, 332816, 442189, 449438, 643184, 884378, 898876, 1246169, 1768756, 1797752, 2492338, 3537512, 3595504, 4984676, 7075024, 9969352, 13707859, 19938704, 27415718, 54831436, 109662872, 219325744]

約数ペア:

[(1, 219325744), (2, 109662872), (4, 54831436), (8, 27415718), (11, 19938704), (16, 13707859), (22, 9969352), (31, 7075024), (44, 4984676), (61, 3595504), (62, 3537512), (88, 2492338), (122, 1797752), (124, 1768756), (176, 1246169), (244, 898876), (248, 884378), (341, 643184), (488, 449438), (496, 442189), (659, 332816), (671, 326864), (682, 321592), (976, 224719), (1318, 166408), (1342, 163432), (1364, 160796), (1891, 115984), (2636, 83204), (2684, 81716), (2728, 80398), (3782, 57992), (5272, 41602), (5368, 40858), (5456, 40199), (7249, 30256), (7564, 28996), (10544, 20801), (10736, 20429), (14498, 15128)]