138878140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{9739}}^1$

素因数の和:9802

約数の個数: 48

約数和(自身を含む): 314173440

約数和(自身を除く): 175295300

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 46, 62, 92, 115, 124, 155, 230, 310, 460, 620, 713, 1426, 2852, 3565, 7130, 9739, 14260, 19478, 38956, 48695, 97390, 194780, 223997, 301909, 447994, 603818, 895988, 1119985, 1207636, 1509545, 2239970, 3019090, 4479940, 6038180, 6943907, 13887814, 27775628, 34719535, 69439070, 138878140]

約数ペア:

[(1, 138878140), (2, 69439070), (4, 34719535), (5, 27775628), (10, 13887814), (20, 6943907), (23, 6038180), (31, 4479940), (46, 3019090), (62, 2239970), (92, 1509545), (115, 1207636), (124, 1119985), (155, 895988), (230, 603818), (310, 447994), (460, 301909), (620, 223997), (713, 194780), (1426, 97390), (2852, 48695), (3565, 38956), (7130, 19478), (9739, 14260)]