421589100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1999}}^1$

素因数の和:2072

約数の個数: 144

約数和(自身を含む): 1319360000

約数和(自身を除く): 897770900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 25, 30, 37, 38, 50, 57, 60, 74, 75, 76, 95, 100, 111, 114, 148, 150, 185, 190, 222, 228, 285, 300, 370, 380, 444, 475, 555, 570, 703, 740, 925, 950, 1110, 1140, 1406, 1425, 1850, 1900, 1999, 2109, 2220, 2775, 2812, 2850, 3515, 3700, 3998, 4218, 5550, 5700, 5997, 7030, 7996, 8436, 9995, 10545, 11100, 11994, 14060, 17575, 19990, 21090, 23988, 29985, 35150, 37981, 39980, 42180, 49975, 52725, 59970, 70300, 73963, 75962, 99950, 105450, 113943, 119940, 147926, 149925, 151924, 189905, 199900, 210900, 221889, 227886, 295852, 299850, 369815, 379810, 443778, 455772, 569715, 599700, 739630, 759620, 887556, 949525, 1109445, 1139430, 1405297, 1479260, 1849075, 1899050, 2218890, 2278860, 2810594, 2848575, 3698150, 3798100, 4215891, 4437780, 5547225, 5621188, 5697150, 7026485, 7396300, 8431782, 11094450, 11394300, 14052970, 16863564, 21079455, 22188900, 28105940, 35132425, 42158910, 70264850, 84317820, 105397275, 140529700, 210794550, 421589100]

約数ペア:

[(1, 421589100), (2, 210794550), (3, 140529700), (4, 105397275), (5, 84317820), (6, 70264850), (10, 42158910), (12, 35132425), (15, 28105940), (19, 22188900), (20, 21079455), (25, 16863564), (30, 14052970), (37, 11394300), (38, 11094450), (50, 8431782), (57, 7396300), (60, 7026485), (74, 5697150), (75, 5621188), (76, 5547225), (95, 4437780), (100, 4215891), (111, 3798100), (114, 3698150), (148, 2848575), (150, 2810594), (185, 2278860), (190, 2218890), (222, 1899050), (228, 1849075), (285, 1479260), (300, 1405297), (370, 1139430), (380, 1109445), (444, 949525), (475, 887556), (555, 759620), (570, 739630), (703, 599700), (740, 569715), (925, 455772), (950, 443778), (1110, 379810), (1140, 369815), (1406, 299850), (1425, 295852), (1850, 227886), (1900, 221889), (1999, 210900), (2109, 199900), (2220, 189905), (2775, 151924), (2812, 149925), (2850, 147926), (3515, 119940), (3700, 113943), (3998, 105450), (4218, 99950), (5550, 75962), (5700, 73963), (5997, 70300), (7030, 59970), (7996, 52725), (8436, 49975), (9995, 42180), (10545, 39980), (11100, 37981), (11994, 35150), (14060, 29985), (17575, 23988), (19990, 21090)]