About the Number
1209712920
2進数表記:1001000000110101100000100011000
漢数字表記:十二億九百七十一万二千九百二十
素因数分解:
素因数の和:8829
約数の個数: 128
約数和(自身を含む): 3952670400
約数和(自身を除く): 2742957480
約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 89, 104, 120, 130, 156, 178, 195, 260, 267, 312, 356, 390, 445, 520, 534, 712, 780, 890, 1068, 1157, 1335, 1560, 1780, 2136, 2314, 2670, 3471, 3560, 4628, 5340, 5785, 6942, 8713, 9256, 10680, 11570, 13884, 17355, 17426, 23140, 26139, 27768, 34710, 34852, 43565, 46280, 52278, 69420, 69704, 87130, 104556, 113269, 130695, 138840, 174260, 209112, 226538, 261390, 339807, 348520, 453076, 522780, 566345, 679614, 775457, 906152, 1045560, 1132690, 1359228, 1550914, 1699035, 2265380, 2326371, 2718456, 3101828, 3398070, 3877285, 4530760, 4652742, 6203656, 6796140, 7754570, 9305484, 10080941, 11631855, 13592280, 15509140, 18610968, 20161882, 23263710, 30242823, 31018280, 40323764, 46527420, 50404705, 60485646, 80647528, 93054840, 100809410, 120971292, 151214115, 201618820, 241942584, 302428230, 403237640, 604856460, 1209712920]
約数ペア:
[(1, 1209712920), (2, 604856460), (3, 403237640), (4, 302428230), (5, 241942584), (6, 201618820), (8, 151214115), (10, 120971292), (12, 100809410), (13, 93054840), (15, 80647528), (20, 60485646), (24, 50404705), (26, 46527420), (30, 40323764), (39, 31018280), (40, 30242823), (52, 23263710), (60, 20161882), (65, 18610968), (78, 15509140), (89, 13592280), (104, 11631855), (120, 10080941), (130, 9305484), (156, 7754570), (178, 6796140), (195, 6203656), (260, 4652742), (267, 4530760), (312, 3877285), (356, 3398070), (390, 3101828), (445, 2718456), (520, 2326371), (534, 2265380), (712, 1699035), (780, 1550914), (890, 1359228), (1068, 1132690), (1157, 1045560), (1335, 906152), (1560, 775457), (1780, 679614), (2136, 566345), (2314, 522780), (2670, 453076), (3471, 348520), (3560, 339807), (4628, 261390), (5340, 226538), (5785, 209112), (6942, 174260), (8713, 138840), (9256, 130695), (10680, 113269), (11570, 104556), (13884, 87130), (17355, 69704), (17426, 69420), (23140, 52278), (26139, 46280), (27768, 43565), (34710, 34852)]このpageの処理時間: 0.1582493782043457 seconds