40017900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:392

約数の個数: 144

約数和(自身を含む): 129102848

約数和(自身を除く): 89084948

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 31, 39, 50, 52, 60, 62, 65, 75, 78, 93, 100, 124, 130, 150, 155, 156, 186, 195, 260, 300, 310, 325, 331, 372, 390, 403, 465, 620, 650, 662, 775, 780, 806, 930, 975, 993, 1209, 1300, 1324, 1550, 1612, 1655, 1860, 1950, 1986, 2015, 2325, 2418, 3100, 3310, 3900, 3972, 4030, 4303, 4650, 4836, 4965, 6045, 6620, 8060, 8275, 8606, 9300, 9930, 10075, 10261, 12090, 12909, 16550, 17212, 19860, 20150, 20522, 21515, 24180, 24825, 25818, 30225, 30783, 33100, 40300, 41044, 43030, 49650, 51305, 51636, 60450, 61566, 64545, 86060, 99300, 102610, 107575, 120900, 123132, 129090, 133393, 153915, 205220, 215150, 256525, 258180, 266786, 307830, 322725, 400179, 430300, 513050, 533572, 615660, 645450, 666965, 769575, 800358, 1026100, 1290900, 1333930, 1539150, 1600716, 2000895, 2667860, 3078300, 3334825, 4001790, 6669650, 8003580, 10004475, 13339300, 20008950, 40017900]

約数ペア:

[(1, 40017900), (2, 20008950), (3, 13339300), (4, 10004475), (5, 8003580), (6, 6669650), (10, 4001790), (12, 3334825), (13, 3078300), (15, 2667860), (20, 2000895), (25, 1600716), (26, 1539150), (30, 1333930), (31, 1290900), (39, 1026100), (50, 800358), (52, 769575), (60, 666965), (62, 645450), (65, 615660), (75, 533572), (78, 513050), (93, 430300), (100, 400179), (124, 322725), (130, 307830), (150, 266786), (155, 258180), (156, 256525), (186, 215150), (195, 205220), (260, 153915), (300, 133393), (310, 129090), (325, 123132), (331, 120900), (372, 107575), (390, 102610), (403, 99300), (465, 86060), (620, 64545), (650, 61566), (662, 60450), (775, 51636), (780, 51305), (806, 49650), (930, 43030), (975, 41044), (993, 40300), (1209, 33100), (1300, 30783), (1324, 30225), (1550, 25818), (1612, 24825), (1655, 24180), (1860, 21515), (1950, 20522), (1986, 20150), (2015, 19860), (2325, 17212), (2418, 16550), (3100, 12909), (3310, 12090), (3900, 10261), (3972, 10075), (4030, 9930), (4303, 9300), (4650, 8606), (4836, 8275), (4965, 8060), (6045, 6620)]