201799980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{577}}^1$

素因数の和:688

約数の個数: 144

約数和(自身を含む): 643799520

約数和(自身を除く): 441999540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 67, 87, 90, 116, 134, 145, 174, 180, 201, 261, 268, 290, 335, 348, 402, 435, 522, 577, 580, 603, 670, 804, 870, 1005, 1044, 1154, 1206, 1305, 1340, 1731, 1740, 1943, 2010, 2308, 2412, 2610, 2885, 3015, 3462, 3886, 4020, 5193, 5220, 5770, 5829, 6030, 6924, 7772, 8655, 9715, 10386, 11540, 11658, 12060, 16733, 17310, 17487, 19430, 20772, 23316, 25965, 29145, 33466, 34620, 34974, 38659, 38860, 50199, 51930, 58290, 66932, 69948, 77318, 83665, 87435, 100398, 103860, 115977, 116580, 150597, 154636, 167330, 174870, 193295, 200796, 231954, 250995, 301194, 334660, 347931, 349740, 386590, 463908, 501990, 579885, 602388, 695862, 752985, 773180, 1003980, 1121111, 1159770, 1391724, 1505970, 1739655, 2242222, 2319540, 3011940, 3363333, 3479310, 4484444, 5605555, 6726666, 6958620, 10089999, 11211110, 13453332, 16816665, 20179998, 22422220, 33633330, 40359996, 50449995, 67266660, 100899990, 201799980]

約数ペア:

[(1, 201799980), (2, 100899990), (3, 67266660), (4, 50449995), (5, 40359996), (6, 33633330), (9, 22422220), (10, 20179998), (12, 16816665), (15, 13453332), (18, 11211110), (20, 10089999), (29, 6958620), (30, 6726666), (36, 5605555), (45, 4484444), (58, 3479310), (60, 3363333), (67, 3011940), (87, 2319540), (90, 2242222), (116, 1739655), (134, 1505970), (145, 1391724), (174, 1159770), (180, 1121111), (201, 1003980), (261, 773180), (268, 752985), (290, 695862), (335, 602388), (348, 579885), (402, 501990), (435, 463908), (522, 386590), (577, 349740), (580, 347931), (603, 334660), (670, 301194), (804, 250995), (870, 231954), (1005, 200796), (1044, 193295), (1154, 174870), (1206, 167330), (1305, 154636), (1340, 150597), (1731, 116580), (1740, 115977), (1943, 103860), (2010, 100398), (2308, 87435), (2412, 83665), (2610, 77318), (2885, 69948), (3015, 66932), (3462, 58290), (3886, 51930), (4020, 50199), (5193, 38860), (5220, 38659), (5770, 34974), (5829, 34620), (6030, 33466), (6924, 29145), (7772, 25965), (8655, 23316), (9715, 20772), (10386, 19430), (11540, 17487), (11658, 17310), (12060, 16733)]