244220680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{223}}^1$

素因数の和:395

約数の個数: 128

約数和(自身を含む): 638668800

約数和(自身を除く): 394448120

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 131, 152, 190, 209, 220, 223, 262, 380, 418, 440, 446, 524, 655, 760, 836, 892, 1045, 1048, 1115, 1310, 1441, 1672, 1784, 2090, 2230, 2453, 2489, 2620, 2882, 4180, 4237, 4460, 4906, 4978, 5240, 5764, 7205, 8360, 8474, 8920, 9812, 9956, 11528, 12265, 12445, 14410, 16948, 19624, 19912, 21185, 24530, 24890, 27379, 28820, 29213, 33896, 42370, 46607, 49060, 49780, 54758, 57640, 58426, 84740, 93214, 98120, 99560, 109516, 116852, 136895, 146065, 169480, 186428, 219032, 233035, 233704, 273790, 292130, 321343, 372856, 466070, 547580, 555047, 584260, 642686, 932140, 1095160, 1110094, 1168520, 1285372, 1606715, 1864280, 2220188, 2570744, 2775235, 3213430, 4440376, 5550470, 6105517, 6426860, 11100940, 12211034, 12853720, 22201880, 24422068, 30527585, 48844136, 61055170, 122110340, 244220680]

約数ペア:

[(1, 244220680), (2, 122110340), (4, 61055170), (5, 48844136), (8, 30527585), (10, 24422068), (11, 22201880), (19, 12853720), (20, 12211034), (22, 11100940), (38, 6426860), (40, 6105517), (44, 5550470), (55, 4440376), (76, 3213430), (88, 2775235), (95, 2570744), (110, 2220188), (131, 1864280), (152, 1606715), (190, 1285372), (209, 1168520), (220, 1110094), (223, 1095160), (262, 932140), (380, 642686), (418, 584260), (440, 555047), (446, 547580), (524, 466070), (655, 372856), (760, 321343), (836, 292130), (892, 273790), (1045, 233704), (1048, 233035), (1115, 219032), (1310, 186428), (1441, 169480), (1672, 146065), (1784, 136895), (2090, 116852), (2230, 109516), (2453, 99560), (2489, 98120), (2620, 93214), (2882, 84740), (4180, 58426), (4237, 57640), (4460, 54758), (4906, 49780), (4978, 49060), (5240, 46607), (5764, 42370), (7205, 33896), (8360, 29213), (8474, 28820), (8920, 27379), (9812, 24890), (9956, 24530), (11528, 21185), (12265, 19912), (12445, 19624), (14410, 16948)]