About the Number

128401070

128401069 ← → 128401071

2進数表記:111101001110011111010101110

漢数字表記:一億二千八百四十万千七十

素因数分解:

2 1 × 5 1 × 7 2 × 31 1 × 79 1 × 107 1

素因数の和:238
約数の個数: 96
約数和(自身を含む): 283668480
約数和(自身を除く): 155267410

約数列:
[1, 2, 5, 7, 10, 14, 31, 35, 49, 62, 70, 79, 98, 107, 155, 158, 214, 217, 245, 310, 395, 434, 490, 535, 553, 749, 790, 1070, 1085, 1106, 1498, 1519, 2170, 2449, 2765, 3038, 3317, 3745, 3871, 4898, 5243, 5530, 6634, 7490, 7595, 7742, 8453, 10486, 12245, 15190, 16585, 16906, 17143, 19355, 23219, 24490, 26215, 33170, 34286, 38710, 42265, 46438, 52430, 59171, 84530, 85715, 116095, 118342, 120001, 162533, 171430, 232190, 240002, 262043, 295855, 325066, 414197, 524086, 591710, 600005, 812665, 828394, 1200010, 1310215, 1625330, 1834301, 2070985, 2620430, 3668602, 4141970, 9171505, 12840107, 18343010, 25680214, 64200535, 128401070]

約数ペア:
[(1, 128401070), (2, 64200535), (5, 25680214), (7, 18343010), (10, 12840107), (14, 9171505), (31, 4141970), (35, 3668602), (49, 2620430), (62, 2070985), (70, 1834301), (79, 1625330), (98, 1310215), (107, 1200010), (155, 828394), (158, 812665), (214, 600005), (217, 591710), (245, 524086), (310, 414197), (395, 325066), (434, 295855), (490, 262043), (535, 240002), (553, 232190), (749, 171430), (790, 162533), (1070, 120001), (1085, 118342), (1106, 116095), (1498, 85715), (1519, 84530), (2170, 59171), (2449, 52430), (2765, 46438), (3038, 42265), (3317, 38710), (3745, 34286), (3871, 33170), (4898, 26215), (5243, 24490), (5530, 23219), (6634, 19355), (7490, 17143), (7595, 16906), (7742, 16585), (8453, 15190), (10486, 12245)]

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