291222100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{2699}}^1$

素因数の和:2809

約数の個数: 72

約数和(自身を含む): 689018400

約数和(自身を除く): 397796300

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 83, 100, 130, 166, 260, 325, 332, 415, 650, 830, 1079, 1300, 1660, 2075, 2158, 2699, 4150, 4316, 5395, 5398, 8300, 10790, 10796, 13495, 21580, 26975, 26990, 35087, 53950, 53980, 67475, 70174, 107900, 134950, 140348, 175435, 224017, 269900, 350870, 448034, 701740, 877175, 896068, 1120085, 1754350, 2240170, 2912221, 3508700, 4480340, 5600425, 5824442, 11200850, 11648884, 14561105, 22401700, 29122210, 58244420, 72805525, 145611050, 291222100]

約数ペア:

[(1, 291222100), (2, 145611050), (4, 72805525), (5, 58244420), (10, 29122210), (13, 22401700), (20, 14561105), (25, 11648884), (26, 11200850), (50, 5824442), (52, 5600425), (65, 4480340), (83, 3508700), (100, 2912221), (130, 2240170), (166, 1754350), (260, 1120085), (325, 896068), (332, 877175), (415, 701740), (650, 448034), (830, 350870), (1079, 269900), (1300, 224017), (1660, 175435), (2075, 140348), (2158, 134950), (2699, 107900), (4150, 70174), (4316, 67475), (5395, 53980), (5398, 53950), (8300, 35087), (10790, 26990), (10796, 26975), (13495, 21580)]