About the Number

124890990

124890989 ← → 124890991

2進数表記:111011100011010111101101110

漢数字表記:一億二千四百八十九万九百九十

素因数分解:

2 1 × 3 1 × 5 1 × 7 1 × 19 1 × 113 1 × 277 1

素因数の和:426
約数の個数: 128
約数和(自身を含む): 365091840
約数和(自身を除く): 240200850

約数列:
[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 113, 114, 133, 190, 210, 226, 266, 277, 285, 339, 399, 554, 565, 570, 665, 678, 791, 798, 831, 1130, 1330, 1385, 1582, 1662, 1695, 1939, 1995, 2147, 2373, 2770, 3390, 3878, 3955, 3990, 4155, 4294, 4746, 5263, 5817, 6441, 7910, 8310, 9695, 10526, 10735, 11634, 11865, 12882, 15029, 15789, 19390, 21470, 23730, 26315, 29085, 30058, 31301, 31578, 32205, 36841, 45087, 52630, 58170, 62602, 64410, 73682, 75145, 78945, 90174, 93903, 110523, 150290, 156505, 157890, 184205, 187806, 219107, 221046, 225435, 313010, 368410, 438214, 450870, 469515, 552615, 594719, 657321, 939030, 1095535, 1105230, 1189438, 1314642, 1784157, 2191070, 2973595, 3286605, 3568314, 4163033, 5947190, 6573210, 8326066, 8920785, 12489099, 17841570, 20815165, 24978198, 41630330, 62445495, 124890990]

約数ペア:
[(1, 124890990), (2, 62445495), (3, 41630330), (5, 24978198), (6, 20815165), (7, 17841570), (10, 12489099), (14, 8920785), (15, 8326066), (19, 6573210), (21, 5947190), (30, 4163033), (35, 3568314), (38, 3286605), (42, 2973595), (57, 2191070), (70, 1784157), (95, 1314642), (105, 1189438), (113, 1105230), (114, 1095535), (133, 939030), (190, 657321), (210, 594719), (226, 552615), (266, 469515), (277, 450870), (285, 438214), (339, 368410), (399, 313010), (554, 225435), (565, 221046), (570, 219107), (665, 187806), (678, 184205), (791, 157890), (798, 156505), (831, 150290), (1130, 110523), (1330, 93903), (1385, 90174), (1582, 78945), (1662, 75145), (1695, 73682), (1939, 64410), (1995, 62602), (2147, 58170), (2373, 52630), (2770, 45087), (3390, 36841), (3878, 32205), (3955, 31578), (3990, 31301), (4155, 30058), (4294, 29085), (4746, 26315), (5263, 23730), (5817, 21470), (6441, 19390), (7910, 15789), (8310, 15029), (9695, 12882), (10526, 11865), (10735, 11634)]

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