278315722100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{11267843}}^1$

素因数の和:11267889

約数の個数: 72

約数和(自身を含む): 684634201440

約数和(自身を除く): 406318479340

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 65, 76, 95, 100, 130, 190, 247, 260, 325, 380, 475, 494, 650, 950, 988, 1235, 1300, 1900, 2470, 4940, 6175, 12350, 24700, 11267843, 22535686, 45071372, 56339215, 112678430, 146481959, 214089017, 225356860, 281696075, 292963918, 428178034, 563392150, 585927836, 732409795, 856356068, 1070445085, 1126784300, 1464819590, 2140890170, 2783157221, 2929639180, 3662048975, 4281780340, 5352225425, 5566314442, 7324097950, 10704450850, 11132628884, 13915786105, 14648195900, 21408901700, 27831572210, 55663144420, 69578930525, 139157861050, 278315722100]

約数ペア:

[(1, 278315722100), (2, 139157861050), (4, 69578930525), (5, 55663144420), (10, 27831572210), (13, 21408901700), (19, 14648195900), (20, 13915786105), (25, 11132628884), (26, 10704450850), (38, 7324097950), (50, 5566314442), (52, 5352225425), (65, 4281780340), (76, 3662048975), (95, 2929639180), (100, 2783157221), (130, 2140890170), (190, 1464819590), (247, 1126784300), (260, 1070445085), (325, 856356068), (380, 732409795), (475, 585927836), (494, 563392150), (650, 428178034), (950, 292963918), (988, 281696075), (1235, 225356860), (1300, 214089017), (1900, 146481959), (2470, 112678430), (4940, 56339215), (6175, 45071372), (12350, 22535686), (24700, 11267843)]