31999500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{547}}^1$

素因数の和:585

約数の個数: 144

約数和(自身を含む): 108911712

約数和(自身を除く): 76912212

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 30, 36, 39, 45, 50, 52, 60, 65, 75, 78, 90, 100, 117, 125, 130, 150, 156, 180, 195, 225, 234, 250, 260, 300, 325, 375, 390, 450, 468, 500, 547, 585, 650, 750, 780, 900, 975, 1094, 1125, 1170, 1300, 1500, 1625, 1641, 1950, 2188, 2250, 2340, 2735, 2925, 3250, 3282, 3900, 4500, 4875, 4923, 5470, 5850, 6500, 6564, 7111, 8205, 9750, 9846, 10940, 11700, 13675, 14222, 14625, 16410, 19500, 19692, 21333, 24615, 27350, 28444, 29250, 32820, 35555, 41025, 42666, 49230, 54700, 58500, 63999, 68375, 71110, 82050, 85332, 98460, 106665, 123075, 127998, 136750, 142220, 164100, 177775, 205125, 213330, 246150, 255996, 273500, 319995, 355550, 410250, 426660, 492300, 533325, 615375, 639990, 711100, 820500, 888875, 1066650, 1230750, 1279980, 1599975, 1777750, 2133300, 2461500, 2666625, 3199950, 3555500, 5333250, 6399900, 7999875, 10666500, 15999750, 31999500]

約数ペア:

[(1, 31999500), (2, 15999750), (3, 10666500), (4, 7999875), (5, 6399900), (6, 5333250), (9, 3555500), (10, 3199950), (12, 2666625), (13, 2461500), (15, 2133300), (18, 1777750), (20, 1599975), (25, 1279980), (26, 1230750), (30, 1066650), (36, 888875), (39, 820500), (45, 711100), (50, 639990), (52, 615375), (60, 533325), (65, 492300), (75, 426660), (78, 410250), (90, 355550), (100, 319995), (117, 273500), (125, 255996), (130, 246150), (150, 213330), (156, 205125), (180, 177775), (195, 164100), (225, 142220), (234, 136750), (250, 127998), (260, 123075), (300, 106665), (325, 98460), (375, 85332), (390, 82050), (450, 71110), (468, 68375), (500, 63999), (547, 58500), (585, 54700), (650, 49230), (750, 42666), (780, 41025), (900, 35555), (975, 32820), (1094, 29250), (1125, 28444), (1170, 27350), (1300, 24615), (1500, 21333), (1625, 19692), (1641, 19500), (1950, 16410), (2188, 14625), (2250, 14222), (2340, 13675), (2735, 11700), (2925, 10940), (3250, 9846), (3282, 9750), (3900, 8205), (4500, 7111), (4875, 6564), (4923, 6500), (5470, 5850)]