111211120

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:362

約数の個数: 80

約数和(自身を含む): 265920480

約数和(自身を除く): 154709360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 137, 139, 146, 274, 278, 292, 365, 548, 556, 584, 685, 695, 730, 1096, 1112, 1168, 1370, 1390, 1460, 2192, 2224, 2740, 2780, 2920, 5480, 5560, 5840, 10001, 10147, 10960, 11120, 19043, 20002, 20294, 38086, 40004, 40588, 50005, 50735, 76172, 80008, 81176, 95215, 100010, 101470, 152344, 160016, 162352, 190430, 200020, 202940, 304688, 380860, 400040, 405880, 761720, 800080, 811760, 1390139, 1523440, 2780278, 5560556, 6950695, 11121112, 13901390, 22242224, 27802780, 55605560, 111211120]

約数ペア:

[(1, 111211120), (2, 55605560), (4, 27802780), (5, 22242224), (8, 13901390), (10, 11121112), (16, 6950695), (20, 5560556), (40, 2780278), (73, 1523440), (80, 1390139), (137, 811760), (139, 800080), (146, 761720), (274, 405880), (278, 400040), (292, 380860), (365, 304688), (548, 202940), (556, 200020), (584, 190430), (685, 162352), (695, 160016), (730, 152344), (1096, 101470), (1112, 100010), (1168, 95215), (1370, 81176), (1390, 80008), (1460, 76172), (2192, 50735), (2224, 50005), (2740, 40588), (2780, 40004), (2920, 38086), (5480, 20294), (5560, 20002), (5840, 19043), (10001, 11120), (10147, 10960)]