100008020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:214

約数の個数: 144

約数和(自身を含む): 265446720

約数和(自身を除く): 165438700

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 41, 49, 70, 76, 82, 95, 98, 131, 133, 140, 164, 190, 196, 205, 245, 262, 266, 287, 380, 410, 490, 524, 532, 574, 655, 665, 779, 820, 917, 931, 980, 1148, 1310, 1330, 1435, 1558, 1834, 1862, 2009, 2489, 2620, 2660, 2870, 3116, 3668, 3724, 3895, 4018, 4585, 4655, 4978, 5371, 5453, 5740, 6419, 7790, 8036, 9170, 9310, 9956, 10045, 10742, 10906, 12445, 12838, 15580, 17423, 18340, 18620, 20090, 21484, 21812, 24890, 25676, 26855, 27265, 32095, 34846, 37597, 38171, 40180, 49780, 53710, 54530, 64190, 69692, 75194, 76342, 87115, 102049, 107420, 109060, 121961, 128380, 150388, 152684, 174230, 187985, 190855, 204098, 243922, 263179, 348460, 375970, 381710, 408196, 487844, 510245, 526358, 609805, 714343, 751940, 763420, 1020490, 1052716, 1219610, 1315895, 1428686, 2040980, 2439220, 2631790, 2857372, 3571715, 5000401, 5263580, 7143430, 10000802, 14286860, 20001604, 25002005, 50004010, 100008020]

約数ペア:

[(1, 100008020), (2, 50004010), (4, 25002005), (5, 20001604), (7, 14286860), (10, 10000802), (14, 7143430), (19, 5263580), (20, 5000401), (28, 3571715), (35, 2857372), (38, 2631790), (41, 2439220), (49, 2040980), (70, 1428686), (76, 1315895), (82, 1219610), (95, 1052716), (98, 1020490), (131, 763420), (133, 751940), (140, 714343), (164, 609805), (190, 526358), (196, 510245), (205, 487844), (245, 408196), (262, 381710), (266, 375970), (287, 348460), (380, 263179), (410, 243922), (490, 204098), (524, 190855), (532, 187985), (574, 174230), (655, 152684), (665, 150388), (779, 128380), (820, 121961), (917, 109060), (931, 107420), (980, 102049), (1148, 87115), (1310, 76342), (1330, 75194), (1435, 69692), (1558, 64190), (1834, 54530), (1862, 53710), (2009, 49780), (2489, 40180), (2620, 38171), (2660, 37597), (2870, 34846), (3116, 32095), (3668, 27265), (3724, 26855), (3895, 25676), (4018, 24890), (4585, 21812), (4655, 21484), (4978, 20090), (5371, 18620), (5453, 18340), (5740, 17423), (6419, 15580), (7790, 12838), (8036, 12445), (9170, 10906), (9310, 10742), (9956, 10045)]