About the Number

1028208390

1028208389 ← → 1028208391

2進数表記:111101010010010011011100000110

漢数字表記:十億二千八百二十万八千三百九十

素因数分解:

2 1 × 3 1 × 5 1 × 11 2 × 191 1 × 1483 1

素因数の和:1706
約数の個数: 96
約数和(自身を含む): 2728470528
約数和(自身を除く): 1700262138

約数列:
[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 121, 165, 191, 242, 330, 363, 382, 573, 605, 726, 955, 1146, 1210, 1483, 1815, 1910, 2101, 2865, 2966, 3630, 4202, 4449, 5730, 6303, 7415, 8898, 10505, 12606, 14830, 16313, 21010, 22245, 23111, 31515, 32626, 44490, 46222, 48939, 63030, 69333, 81565, 97878, 115555, 138666, 163130, 179443, 231110, 244695, 283253, 346665, 358886, 489390, 538329, 566506, 693330, 849759, 897215, 1076658, 1416265, 1699518, 1794430, 2691645, 2832530, 3115783, 4248795, 5383290, 6231566, 8497590, 9347349, 15578915, 18694698, 31157830, 34273613, 46736745, 68547226, 93473490, 102820839, 171368065, 205641678, 342736130, 514104195, 1028208390]

約数ペア:
[(1, 1028208390), (2, 514104195), (3, 342736130), (5, 205641678), (6, 171368065), (10, 102820839), (11, 93473490), (15, 68547226), (22, 46736745), (30, 34273613), (33, 31157830), (55, 18694698), (66, 15578915), (110, 9347349), (121, 8497590), (165, 6231566), (191, 5383290), (242, 4248795), (330, 3115783), (363, 2832530), (382, 2691645), (573, 1794430), (605, 1699518), (726, 1416265), (955, 1076658), (1146, 897215), (1210, 849759), (1483, 693330), (1815, 566506), (1910, 538329), (2101, 489390), (2865, 358886), (2966, 346665), (3630, 283253), (4202, 244695), (4449, 231110), (5730, 179443), (6303, 163130), (7415, 138666), (8898, 115555), (10505, 97878), (12606, 81565), (14830, 69333), (16313, 63030), (21010, 48939), (22245, 46222), (23111, 44490), (31515, 32626)]

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