290666664

素因数分解:

$2^3\times 3^3\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{523}}^1$

素因数の和:652

約数の個数: 128

約数和(自身を含む): 845107200

約数和(自身を除く): 554440536

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 31, 36, 54, 62, 72, 83, 93, 108, 124, 166, 186, 216, 248, 249, 279, 332, 372, 498, 523, 558, 664, 744, 747, 837, 996, 1046, 1116, 1494, 1569, 1674, 1992, 2092, 2232, 2241, 2573, 2988, 3138, 3348, 4184, 4482, 4707, 5146, 5976, 6276, 6696, 7719, 8964, 9414, 10292, 12552, 14121, 15438, 16213, 17928, 18828, 20584, 23157, 28242, 30876, 32426, 37656, 43409, 46314, 48639, 56484, 61752, 64852, 69471, 86818, 92628, 97278, 112968, 129704, 130227, 138942, 145917, 173636, 185256, 194556, 260454, 277884, 291834, 347272, 389112, 390681, 437751, 520908, 555768, 583668, 781362, 875502, 1041816, 1167336, 1172043, 1345679, 1562724, 1751004, 2344086, 2691358, 3125448, 3502008, 4037037, 4688172, 5382716, 8074074, 9376344, 10765432, 12111111, 16148148, 24222222, 32296296, 36333333, 48444444, 72666666, 96888888, 145333332, 290666664]

約数ペア:

[(1, 290666664), (2, 145333332), (3, 96888888), (4, 72666666), (6, 48444444), (8, 36333333), (9, 32296296), (12, 24222222), (18, 16148148), (24, 12111111), (27, 10765432), (31, 9376344), (36, 8074074), (54, 5382716), (62, 4688172), (72, 4037037), (83, 3502008), (93, 3125448), (108, 2691358), (124, 2344086), (166, 1751004), (186, 1562724), (216, 1345679), (248, 1172043), (249, 1167336), (279, 1041816), (332, 875502), (372, 781362), (498, 583668), (523, 555768), (558, 520908), (664, 437751), (744, 390681), (747, 389112), (837, 347272), (996, 291834), (1046, 277884), (1116, 260454), (1494, 194556), (1569, 185256), (1674, 173636), (1992, 145917), (2092, 138942), (2232, 130227), (2241, 129704), (2573, 112968), (2988, 97278), (3138, 92628), (3348, 86818), (4184, 69471), (4482, 64852), (4707, 61752), (5146, 56484), (5976, 48639), (6276, 46314), (6696, 43409), (7719, 37656), (8964, 32426), (9414, 30876), (10292, 28242), (12552, 23157), (14121, 20584), (15438, 18828), (16213, 17928)]