About the Number

129187890

129187889 ← → 129187891

2進数表記:111101100110100000000110010

漢数字表記:一億二千九百十八万七千八百九十

素因数分解:

2 1 × 3 2 × 5 1 × 13 1 × 109 1 × 1013 1

素因数の和:1148
約数の個数: 96
約数和(自身を含む): 365405040
約数和(自身を除く): 236217150

約数列:
[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 109, 117, 130, 195, 218, 234, 327, 390, 545, 585, 654, 981, 1013, 1090, 1170, 1417, 1635, 1962, 2026, 2834, 3039, 3270, 4251, 4905, 5065, 6078, 7085, 8502, 9117, 9810, 10130, 12753, 13169, 14170, 15195, 18234, 21255, 25506, 26338, 30390, 39507, 42510, 45585, 63765, 65845, 79014, 91170, 110417, 118521, 127530, 131690, 197535, 220834, 237042, 331251, 395070, 552085, 592605, 662502, 993753, 1104170, 1185210, 1435421, 1656255, 1987506, 2870842, 3312510, 4306263, 4968765, 7177105, 8612526, 9937530, 12918789, 14354210, 21531315, 25837578, 43062630, 64593945, 129187890]

約数ペア:
[(1, 129187890), (2, 64593945), (3, 43062630), (5, 25837578), (6, 21531315), (9, 14354210), (10, 12918789), (13, 9937530), (15, 8612526), (18, 7177105), (26, 4968765), (30, 4306263), (39, 3312510), (45, 2870842), (65, 1987506), (78, 1656255), (90, 1435421), (109, 1185210), (117, 1104170), (130, 993753), (195, 662502), (218, 592605), (234, 552085), (327, 395070), (390, 331251), (545, 237042), (585, 220834), (654, 197535), (981, 131690), (1013, 127530), (1090, 118521), (1170, 110417), (1417, 91170), (1635, 79014), (1962, 65845), (2026, 63765), (2834, 45585), (3039, 42510), (3270, 39507), (4251, 30390), (4905, 26338), (5065, 25506), (6078, 21255), (7085, 18234), (8502, 15195), (9117, 14170), (9810, 13169), (10130, 12753)]

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