About the Number

31972980

31972979 ← → 31972981

2進数表記:1111001111101111001110100

漢数字表記:三千百九十七万二千九百八十

素因数分解:

2 2 × 3 1 × 5 1 × 13 1 × 179 1 × 229 1

素因数の和:433
約数の個数: 96
約数和(自身を含む): 97372800
約数和(自身を除く): 65399820

約数列:
[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 179, 195, 229, 260, 358, 390, 458, 537, 687, 716, 780, 895, 916, 1074, 1145, 1374, 1790, 2148, 2290, 2327, 2685, 2748, 2977, 3435, 3580, 4580, 4654, 5370, 5954, 6870, 6981, 8931, 9308, 10740, 11635, 11908, 13740, 13962, 14885, 17862, 23270, 27924, 29770, 34905, 35724, 40991, 44655, 46540, 59540, 69810, 81982, 89310, 122973, 139620, 163964, 178620, 204955, 245946, 409910, 491892, 532883, 614865, 819820, 1065766, 1229730, 1598649, 2131532, 2459460, 2664415, 3197298, 5328830, 6394596, 7993245, 10657660, 15986490, 31972980]

約数ペア:
[(1, 31972980), (2, 15986490), (3, 10657660), (4, 7993245), (5, 6394596), (6, 5328830), (10, 3197298), (12, 2664415), (13, 2459460), (15, 2131532), (20, 1598649), (26, 1229730), (30, 1065766), (39, 819820), (52, 614865), (60, 532883), (65, 491892), (78, 409910), (130, 245946), (156, 204955), (179, 178620), (195, 163964), (229, 139620), (260, 122973), (358, 89310), (390, 81982), (458, 69810), (537, 59540), (687, 46540), (716, 44655), (780, 40991), (895, 35724), (916, 34905), (1074, 29770), (1145, 27924), (1374, 23270), (1790, 17862), (2148, 14885), (2290, 13962), (2327, 13740), (2685, 11908), (2748, 11635), (2977, 10740), (3435, 9308), (3580, 8931), (4580, 6981), (4654, 6870), (5370, 5954)]

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