289771860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{3467}}^1$

素因数の和:3685

約数の個数: 96

約数和(自身を含む): 932198400

約数和(自身を除く): 642426540

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 199, 210, 398, 420, 597, 796, 995, 1194, 1393, 1990, 2388, 2786, 2985, 3467, 3980, 4179, 5572, 5970, 6934, 6965, 8358, 10401, 11940, 13868, 13930, 16716, 17335, 20802, 20895, 24269, 27860, 34670, 41604, 41790, 48538, 52005, 69340, 72807, 83580, 97076, 104010, 121345, 145614, 208020, 242690, 291228, 364035, 485380, 689933, 728070, 1379866, 1456140, 2069799, 2759732, 3449665, 4139598, 4829531, 6899330, 8279196, 9659062, 10348995, 13798660, 14488593, 19318124, 20697990, 24147655, 28977186, 41395980, 48295310, 57954372, 72442965, 96590620, 144885930, 289771860]

約数ペア:

[(1, 289771860), (2, 144885930), (3, 96590620), (4, 72442965), (5, 57954372), (6, 48295310), (7, 41395980), (10, 28977186), (12, 24147655), (14, 20697990), (15, 19318124), (20, 14488593), (21, 13798660), (28, 10348995), (30, 9659062), (35, 8279196), (42, 6899330), (60, 4829531), (70, 4139598), (84, 3449665), (105, 2759732), (140, 2069799), (199, 1456140), (210, 1379866), (398, 728070), (420, 689933), (597, 485380), (796, 364035), (995, 291228), (1194, 242690), (1393, 208020), (1990, 145614), (2388, 121345), (2786, 104010), (2985, 97076), (3467, 83580), (3980, 72807), (4179, 69340), (5572, 52005), (5970, 48538), (6934, 41790), (6965, 41604), (8358, 34670), (10401, 27860), (11940, 24269), (13868, 20895), (13930, 20802), (16716, 17335)]