253249290

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{21157}}^1$

素因数の和:21196

約数の個数: 96

約数和(自身を含む): 792155520

約数和(自身を除く): 538906230

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 30, 35, 38, 42, 45, 57, 63, 70, 90, 95, 105, 114, 126, 133, 171, 190, 210, 266, 285, 315, 342, 399, 570, 630, 665, 798, 855, 1197, 1330, 1710, 1995, 2394, 3990, 5985, 11970, 21157, 42314, 63471, 105785, 126942, 148099, 190413, 211570, 296198, 317355, 380826, 401983, 444297, 634710, 740495, 803966, 888594, 952065, 1205949, 1332891, 1480990, 1904130, 2009915, 2221485, 2411898, 2665782, 2813881, 3617847, 4019830, 4442970, 5627762, 6029745, 6664455, 7235694, 8441643, 12059490, 13328910, 14069405, 16883286, 18089235, 25324929, 28138810, 36178470, 42208215, 50649858, 84416430, 126624645, 253249290]

約数ペア:

[(1, 253249290), (2, 126624645), (3, 84416430), (5, 50649858), (6, 42208215), (7, 36178470), (9, 28138810), (10, 25324929), (14, 18089235), (15, 16883286), (18, 14069405), (19, 13328910), (21, 12059490), (30, 8441643), (35, 7235694), (38, 6664455), (42, 6029745), (45, 5627762), (57, 4442970), (63, 4019830), (70, 3617847), (90, 2813881), (95, 2665782), (105, 2411898), (114, 2221485), (126, 2009915), (133, 1904130), (171, 1480990), (190, 1332891), (210, 1205949), (266, 952065), (285, 888594), (315, 803966), (342, 740495), (399, 634710), (570, 444297), (630, 401983), (665, 380826), (798, 317355), (855, 296198), (1197, 211570), (1330, 190413), (1710, 148099), (1995, 126942), (2394, 105785), (3990, 63471), (5985, 42314), (11970, 21157)]