401117990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{241}}^1$

素因数の和:358

約数の個数: 128

約数和(自身を含む): 936714240

約数和(自身を除く): 535596250

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 31, 35, 59, 62, 65, 70, 91, 118, 130, 155, 182, 217, 241, 295, 310, 403, 413, 434, 455, 482, 590, 767, 806, 826, 910, 1085, 1205, 1534, 1687, 1829, 2015, 2065, 2170, 2410, 2821, 3133, 3374, 3658, 3835, 4030, 4130, 5369, 5642, 6266, 7471, 7670, 8435, 9145, 10738, 12803, 14105, 14219, 14942, 15665, 16870, 18290, 21931, 23777, 25606, 26845, 28210, 28438, 31330, 37355, 43862, 47554, 52297, 53690, 64015, 71095, 74710, 97123, 99533, 104594, 109655, 118885, 128030, 142190, 166439, 184847, 194246, 199066, 219310, 237770, 261485, 332878, 369694, 440789, 485615, 497665, 522970, 679861, 832195, 881578, 924235, 971230, 995330, 1293929, 1359722, 1664390, 1848470, 2203945, 2587858, 3085523, 3399305, 4407890, 5730257, 6171046, 6469645, 6798610, 11460514, 12939290, 15427615, 28651285, 30855230, 40111799, 57302570, 80223598, 200558995, 401117990]

約数ペア:

[(1, 401117990), (2, 200558995), (5, 80223598), (7, 57302570), (10, 40111799), (13, 30855230), (14, 28651285), (26, 15427615), (31, 12939290), (35, 11460514), (59, 6798610), (62, 6469645), (65, 6171046), (70, 5730257), (91, 4407890), (118, 3399305), (130, 3085523), (155, 2587858), (182, 2203945), (217, 1848470), (241, 1664390), (295, 1359722), (310, 1293929), (403, 995330), (413, 971230), (434, 924235), (455, 881578), (482, 832195), (590, 679861), (767, 522970), (806, 497665), (826, 485615), (910, 440789), (1085, 369694), (1205, 332878), (1534, 261485), (1687, 237770), (1829, 219310), (2015, 199066), (2065, 194246), (2170, 184847), (2410, 166439), (2821, 142190), (3133, 128030), (3374, 118885), (3658, 109655), (3835, 104594), (4030, 99533), (4130, 97123), (5369, 74710), (5642, 71095), (6266, 64015), (7471, 53690), (7670, 52297), (8435, 47554), (9145, 43862), (10738, 37355), (12803, 31330), (14105, 28438), (14219, 28210), (14942, 26845), (15665, 25606), (16870, 23777), (18290, 21931)]