About the Number

212909310

212909309 ← → 212909311

2進数表記:1100101100001011110011111110

漢数字表記:二億千二百九十万九千三百十

素因数分解:

2 1 × 3 5 × 5 1 × 41 1 × 2137 1

素因数の和:2200
約数の個数: 96
約数和(自身を含む): 588343392
約数和(自身を除く): 375434082

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 41, 45, 54, 81, 82, 90, 123, 135, 162, 205, 243, 246, 270, 369, 405, 410, 486, 615, 738, 810, 1107, 1215, 1230, 1845, 2137, 2214, 2430, 3321, 3690, 4274, 5535, 6411, 6642, 9963, 10685, 11070, 12822, 16605, 19233, 19926, 21370, 32055, 33210, 38466, 49815, 57699, 64110, 87617, 96165, 99630, 115398, 173097, 175234, 192330, 262851, 288495, 346194, 438085, 519291, 525702, 576990, 788553, 865485, 876170, 1038582, 1314255, 1577106, 1730970, 2365659, 2596455, 2628510, 3942765, 4731318, 5192910, 7096977, 7885530, 11828295, 14193954, 21290931, 23656590, 35484885, 42581862, 70969770, 106454655, 212909310]

約数ペア:
[(1, 212909310), (2, 106454655), (3, 70969770), (5, 42581862), (6, 35484885), (9, 23656590), (10, 21290931), (15, 14193954), (18, 11828295), (27, 7885530), (30, 7096977), (41, 5192910), (45, 4731318), (54, 3942765), (81, 2628510), (82, 2596455), (90, 2365659), (123, 1730970), (135, 1577106), (162, 1314255), (205, 1038582), (243, 876170), (246, 865485), (270, 788553), (369, 576990), (405, 525702), (410, 519291), (486, 438085), (615, 346194), (738, 288495), (810, 262851), (1107, 192330), (1215, 175234), (1230, 173097), (1845, 115398), (2137, 99630), (2214, 96165), (2430, 87617), (3321, 64110), (3690, 57699), (4274, 49815), (5535, 38466), (6411, 33210), (6642, 32055), (9963, 21370), (10685, 19926), (11070, 19233), (12822, 16605)]

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