About the Number

47985990

47985989 ← → 47985991

2進数表記:10110111000011010101000110

漢数字表記:四千七百九十八万五千九百九十

素因数分解:

2 1 × 3 1 × 5 1 × 13 1 × 41 1 × 3001 1

素因数の和:3065
約数の個数: 64
約数和(自身を含む): 127092672
約数和(自身を除く): 79106682

約数列:
[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 41, 65, 78, 82, 123, 130, 195, 205, 246, 390, 410, 533, 615, 1066, 1230, 1599, 2665, 3001, 3198, 5330, 6002, 7995, 9003, 15005, 15990, 18006, 30010, 39013, 45015, 78026, 90030, 117039, 123041, 195065, 234078, 246082, 369123, 390130, 585195, 615205, 738246, 1170390, 1230410, 1599533, 1845615, 3199066, 3691230, 4798599, 7997665, 9597198, 15995330, 23992995, 47985990]

約数ペア:
[(1, 47985990), (2, 23992995), (3, 15995330), (5, 9597198), (6, 7997665), (10, 4798599), (13, 3691230), (15, 3199066), (26, 1845615), (30, 1599533), (39, 1230410), (41, 1170390), (65, 738246), (78, 615205), (82, 585195), (123, 390130), (130, 369123), (195, 246082), (205, 234078), (246, 195065), (390, 123041), (410, 117039), (533, 90030), (615, 78026), (1066, 45015), (1230, 39013), (1599, 30010), (2665, 18006), (3001, 15990), (3198, 15005), (5330, 9003), (6002, 7995)]

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