1990914360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{4253}}^1$

素因数の和:4397

約数の個数: 128

約数和(自身を含む): 6174766080

約数和(自身を除く): 4183851720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 83, 94, 120, 141, 166, 188, 235, 249, 282, 332, 376, 415, 470, 498, 564, 664, 705, 830, 940, 996, 1128, 1245, 1410, 1660, 1880, 1992, 2490, 2820, 3320, 3901, 4253, 4980, 5640, 7802, 8506, 9960, 11703, 12759, 15604, 17012, 19505, 21265, 23406, 25518, 31208, 34024, 39010, 42530, 46812, 51036, 58515, 63795, 78020, 85060, 93624, 102072, 117030, 127590, 156040, 170120, 199891, 234060, 255180, 352999, 399782, 468120, 510360, 599673, 705998, 799564, 999455, 1058997, 1199346, 1411996, 1599128, 1764995, 1998910, 2117994, 2398692, 2823992, 2998365, 3529990, 3997820, 4235988, 4797384, 5294985, 5996730, 7059980, 7995640, 8471976, 10589970, 11993460, 14119960, 16590953, 21179940, 23986920, 33181906, 42359880, 49772859, 66363812, 82954765, 99545718, 132727624, 165909530, 199091436, 248864295, 331819060, 398182872, 497728590, 663638120, 995457180, 1990914360]

約数ペア:

[(1, 1990914360), (2, 995457180), (3, 663638120), (4, 497728590), (5, 398182872), (6, 331819060), (8, 248864295), (10, 199091436), (12, 165909530), (15, 132727624), (20, 99545718), (24, 82954765), (30, 66363812), (40, 49772859), (47, 42359880), (60, 33181906), (83, 23986920), (94, 21179940), (120, 16590953), (141, 14119960), (166, 11993460), (188, 10589970), (235, 8471976), (249, 7995640), (282, 7059980), (332, 5996730), (376, 5294985), (415, 4797384), (470, 4235988), (498, 3997820), (564, 3529990), (664, 2998365), (705, 2823992), (830, 2398692), (940, 2117994), (996, 1998910), (1128, 1764995), (1245, 1599128), (1410, 1411996), (1660, 1199346), (1880, 1058997), (1992, 999455), (2490, 799564), (2820, 705998), (3320, 599673), (3901, 510360), (4253, 468120), (4980, 399782), (5640, 352999), (7802, 255180), (8506, 234060), (9960, 199891), (11703, 170120), (12759, 156040), (15604, 127590), (17012, 117030), (19505, 102072), (21265, 93624), (23406, 85060), (25518, 78020), (31208, 63795), (34024, 58515), (39010, 51036), (42530, 46812)]