1901983860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{1049}}^1\times {\mathrm{1439}}^1$

素因数の和:2510

約数の個数: 144

約数和(自身を含む): 6604416000

約数和(自身を除く): 4702432140

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1049, 1260, 1439, 2098, 2878, 3147, 4196, 4317, 5245, 5756, 6294, 7195, 7343, 8634, 9441, 10073, 10490, 12588, 12951, 14390, 14686, 15735, 17268, 18882, 20146, 20980, 21585, 22029, 25902, 28780, 29372, 30219, 31470, 36715, 37764, 40292, 43170, 44058, 47205, 50365, 51804, 60438, 62940, 64755, 66087, 73430, 86340, 88116, 90657, 94410, 100730, 110145, 120876, 129510, 132174, 146860, 151095, 181314, 188820, 201460, 220290, 259020, 264348, 302190, 330435, 362628, 440580, 453285, 604380, 660870, 906570, 1321740, 1509511, 1813140, 3019022, 4528533, 6038044, 7547555, 9057066, 10566577, 13585599, 15095110, 18114132, 21133154, 22642665, 27171198, 30190220, 31699731, 42266308, 45285330, 52832885, 54342396, 63399462, 67927995, 90570660, 95099193, 105665770, 126798924, 135855990, 158498655, 190198386, 211331540, 271711980, 316997310, 380396772, 475495965, 633994620, 950991930, 1901983860]

約数ペア:

[(1, 1901983860), (2, 950991930), (3, 633994620), (4, 475495965), (5, 380396772), (6, 316997310), (7, 271711980), (9, 211331540), (10, 190198386), (12, 158498655), (14, 135855990), (15, 126798924), (18, 105665770), (20, 95099193), (21, 90570660), (28, 67927995), (30, 63399462), (35, 54342396), (36, 52832885), (42, 45285330), (45, 42266308), (60, 31699731), (63, 30190220), (70, 27171198), (84, 22642665), (90, 21133154), (105, 18114132), (126, 15095110), (140, 13585599), (180, 10566577), (210, 9057066), (252, 7547555), (315, 6038044), (420, 4528533), (630, 3019022), (1049, 1813140), (1260, 1509511), (1439, 1321740), (2098, 906570), (2878, 660870), (3147, 604380), (4196, 453285), (4317, 440580), (5245, 362628), (5756, 330435), (6294, 302190), (7195, 264348), (7343, 259020), (8634, 220290), (9441, 201460), (10073, 188820), (10490, 181314), (12588, 151095), (12951, 146860), (14390, 132174), (14686, 129510), (15735, 120876), (17268, 110145), (18882, 100730), (20146, 94410), (20980, 90657), (21585, 88116), (22029, 86340), (25902, 73430), (28780, 66087), (29372, 64755), (30219, 62940), (31470, 60438), (36715, 51804), (37764, 50365), (40292, 47205), (43170, 44058)]