About the Number

120794490

120794489 ← → 120794491

2進数表記:111001100110010110101111010

漢数字表記:一億二千七十九万四千四百九十

素因数分解:

2 1 × 3 4 × 5 1 × 197 1 × 757 1

素因数の和:973
約数の個数: 80
約数和(自身を含む): 326882952
約数和(自身を除く): 206088462

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 197, 270, 394, 405, 591, 757, 810, 985, 1182, 1514, 1773, 1970, 2271, 2955, 3546, 3785, 4542, 5319, 5910, 6813, 7570, 8865, 10638, 11355, 13626, 15957, 17730, 20439, 22710, 26595, 31914, 34065, 40878, 53190, 61317, 68130, 79785, 102195, 122634, 149129, 159570, 204390, 298258, 306585, 447387, 613170, 745645, 894774, 1342161, 1491290, 2236935, 2684322, 4026483, 4473870, 6710805, 8052966, 12079449, 13421610, 20132415, 24158898, 40264830, 60397245, 120794490]

約数ペア:
[(1, 120794490), (2, 60397245), (3, 40264830), (5, 24158898), (6, 20132415), (9, 13421610), (10, 12079449), (15, 8052966), (18, 6710805), (27, 4473870), (30, 4026483), (45, 2684322), (54, 2236935), (81, 1491290), (90, 1342161), (135, 894774), (162, 745645), (197, 613170), (270, 447387), (394, 306585), (405, 298258), (591, 204390), (757, 159570), (810, 149129), (985, 122634), (1182, 102195), (1514, 79785), (1773, 68130), (1970, 61317), (2271, 53190), (2955, 40878), (3546, 34065), (3785, 31914), (4542, 26595), (5319, 22710), (5910, 20439), (6813, 17730), (7570, 15957), (8865, 13626), (10638, 11355)]

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