490366980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{139}}^2$

素因数の和:343

約数の個数: 144

約数和(自身を含む): 1569335040

約数和(自身を除く): 1078968060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 47, 54, 60, 90, 94, 108, 135, 139, 141, 180, 188, 235, 270, 278, 282, 417, 423, 470, 540, 556, 564, 695, 705, 834, 846, 940, 1251, 1269, 1390, 1410, 1668, 1692, 2085, 2115, 2502, 2538, 2780, 2820, 3753, 4170, 4230, 5004, 5076, 6255, 6345, 6533, 7506, 8340, 8460, 12510, 12690, 13066, 15012, 18765, 19321, 19599, 25020, 25380, 26132, 32665, 37530, 38642, 39198, 57963, 58797, 65330, 75060, 77284, 78396, 96605, 97995, 115926, 117594, 130660, 173889, 176391, 193210, 195990, 231852, 235188, 289815, 293985, 347778, 352782, 386420, 391980, 521667, 579630, 587970, 695556, 705564, 869445, 881955, 908087, 1043334, 1159260, 1175940, 1738890, 1763910, 1816174, 2086668, 2608335, 2724261, 3477780, 3527820, 3632348, 4540435, 5216670, 5448522, 8172783, 9080870, 10433340, 10897044, 13621305, 16345566, 18161740, 24518349, 27242610, 32691132, 40863915, 49036698, 54485220, 81727830, 98073396, 122591745, 163455660, 245183490, 490366980]

約数ペア:

[(1, 490366980), (2, 245183490), (3, 163455660), (4, 122591745), (5, 98073396), (6, 81727830), (9, 54485220), (10, 49036698), (12, 40863915), (15, 32691132), (18, 27242610), (20, 24518349), (27, 18161740), (30, 16345566), (36, 13621305), (45, 10897044), (47, 10433340), (54, 9080870), (60, 8172783), (90, 5448522), (94, 5216670), (108, 4540435), (135, 3632348), (139, 3527820), (141, 3477780), (180, 2724261), (188, 2608335), (235, 2086668), (270, 1816174), (278, 1763910), (282, 1738890), (417, 1175940), (423, 1159260), (470, 1043334), (540, 908087), (556, 881955), (564, 869445), (695, 705564), (705, 695556), (834, 587970), (846, 579630), (940, 521667), (1251, 391980), (1269, 386420), (1390, 352782), (1410, 347778), (1668, 293985), (1692, 289815), (2085, 235188), (2115, 231852), (2502, 195990), (2538, 193210), (2780, 176391), (2820, 173889), (3753, 130660), (4170, 117594), (4230, 115926), (5004, 97995), (5076, 96605), (6255, 78396), (6345, 77284), (6533, 75060), (7506, 65330), (8340, 58797), (8460, 57963), (12510, 39198), (12690, 38642), (13066, 37530), (15012, 32665), (18765, 26132), (19321, 25380), (19599, 25020)]