209999250

素因数分解:

$2^1\times 3^3\times 5^3\times {\mathrm{53}}^1\times {\mathrm{587}}^1$

素因数の和:666

約数の個数: 128

約数和(自身を含む): 594397440

約数和(自身を除く): 384398190

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 53, 54, 75, 90, 106, 125, 135, 150, 159, 225, 250, 265, 270, 318, 375, 450, 477, 530, 587, 675, 750, 795, 954, 1125, 1174, 1325, 1350, 1431, 1590, 1761, 2250, 2385, 2650, 2862, 2935, 3375, 3522, 3975, 4770, 5283, 5870, 6625, 6750, 7155, 7950, 8805, 10566, 11925, 13250, 14310, 14675, 15849, 17610, 19875, 23850, 26415, 29350, 31111, 31698, 35775, 39750, 44025, 52830, 59625, 62222, 71550, 73375, 79245, 88050, 93333, 119250, 132075, 146750, 155555, 158490, 178875, 186666, 220125, 264150, 279999, 311110, 357750, 396225, 440250, 466665, 559998, 660375, 777775, 792450, 839997, 933330, 1320750, 1399995, 1555550, 1679994, 1981125, 2333325, 2799990, 3888875, 3962250, 4199985, 4666650, 6999975, 7777750, 8399970, 11666625, 13999950, 20999925, 23333250, 34999875, 41999850, 69999750, 104999625, 209999250]

約数ペア:

[(1, 209999250), (2, 104999625), (3, 69999750), (5, 41999850), (6, 34999875), (9, 23333250), (10, 20999925), (15, 13999950), (18, 11666625), (25, 8399970), (27, 7777750), (30, 6999975), (45, 4666650), (50, 4199985), (53, 3962250), (54, 3888875), (75, 2799990), (90, 2333325), (106, 1981125), (125, 1679994), (135, 1555550), (150, 1399995), (159, 1320750), (225, 933330), (250, 839997), (265, 792450), (270, 777775), (318, 660375), (375, 559998), (450, 466665), (477, 440250), (530, 396225), (587, 357750), (675, 311110), (750, 279999), (795, 264150), (954, 220125), (1125, 186666), (1174, 178875), (1325, 158490), (1350, 155555), (1431, 146750), (1590, 132075), (1761, 119250), (2250, 93333), (2385, 88050), (2650, 79245), (2862, 73375), (2935, 71550), (3375, 62222), (3522, 59625), (3975, 52830), (4770, 44025), (5283, 39750), (5870, 35775), (6625, 31698), (6750, 31111), (7155, 29350), (7950, 26415), (8805, 23850), (10566, 19875), (11925, 17610), (13250, 15849), (14310, 14675)]