820347800

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{3659}}^1$

素因数の和:3753

約数の個数: 96

約数和(自身を含む): 2042280000

約数和(自身を除く): 1221932200

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 59, 76, 95, 100, 118, 152, 190, 200, 236, 295, 380, 472, 475, 590, 760, 950, 1121, 1180, 1475, 1900, 2242, 2360, 2950, 3659, 3800, 4484, 5605, 5900, 7318, 8968, 11210, 11800, 14636, 18295, 22420, 28025, 29272, 36590, 44840, 56050, 69521, 73180, 91475, 112100, 139042, 146360, 182950, 215881, 224200, 278084, 347605, 365900, 431762, 556168, 695210, 731800, 863524, 1079405, 1390420, 1727048, 1738025, 2158810, 2780840, 3476050, 4101739, 4317620, 5397025, 6952100, 8203478, 8635240, 10794050, 13904200, 16406956, 20508695, 21588100, 32813912, 41017390, 43176200, 82034780, 102543475, 164069560, 205086950, 410173900, 820347800]

約数ペア:

[(1, 820347800), (2, 410173900), (4, 205086950), (5, 164069560), (8, 102543475), (10, 82034780), (19, 43176200), (20, 41017390), (25, 32813912), (38, 21588100), (40, 20508695), (50, 16406956), (59, 13904200), (76, 10794050), (95, 8635240), (100, 8203478), (118, 6952100), (152, 5397025), (190, 4317620), (200, 4101739), (236, 3476050), (295, 2780840), (380, 2158810), (472, 1738025), (475, 1727048), (590, 1390420), (760, 1079405), (950, 863524), (1121, 731800), (1180, 695210), (1475, 556168), (1900, 431762), (2242, 365900), (2360, 347605), (2950, 278084), (3659, 224200), (3800, 215881), (4484, 182950), (5605, 146360), (5900, 139042), (7318, 112100), (8968, 91475), (11210, 73180), (11800, 69521), (14636, 56050), (18295, 44840), (22420, 36590), (28025, 29272)]