18438750

素因数分解:

$2^1\times 3^2\times 5^4\times {\mathrm{11}}^1\times {\mathrm{149}}^1$

素因数の和:188

約数の個数: 120

約数和(自身を含む): 54826200

約数和(自身を除く): 36387450

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 25, 30, 33, 45, 50, 55, 66, 75, 90, 99, 110, 125, 149, 150, 165, 198, 225, 250, 275, 298, 330, 375, 447, 450, 495, 550, 625, 745, 750, 825, 894, 990, 1125, 1250, 1341, 1375, 1490, 1639, 1650, 1875, 2235, 2250, 2475, 2682, 2750, 3278, 3725, 3750, 4125, 4470, 4917, 4950, 5625, 6705, 6875, 7450, 8195, 8250, 9834, 11175, 11250, 12375, 13410, 13750, 14751, 16390, 18625, 20625, 22350, 24585, 24750, 29502, 33525, 37250, 40975, 41250, 49170, 55875, 61875, 67050, 73755, 81950, 93125, 111750, 122925, 123750, 147510, 167625, 186250, 204875, 245850, 279375, 335250, 368775, 409750, 558750, 614625, 737550, 838125, 1024375, 1229250, 1676250, 1843875, 2048750, 3073125, 3687750, 6146250, 9219375, 18438750]

約数ペア:

[(1, 18438750), (2, 9219375), (3, 6146250), (5, 3687750), (6, 3073125), (9, 2048750), (10, 1843875), (11, 1676250), (15, 1229250), (18, 1024375), (22, 838125), (25, 737550), (30, 614625), (33, 558750), (45, 409750), (50, 368775), (55, 335250), (66, 279375), (75, 245850), (90, 204875), (99, 186250), (110, 167625), (125, 147510), (149, 123750), (150, 122925), (165, 111750), (198, 93125), (225, 81950), (250, 73755), (275, 67050), (298, 61875), (330, 55875), (375, 49170), (447, 41250), (450, 40975), (495, 37250), (550, 33525), (625, 29502), (745, 24750), (750, 24585), (825, 22350), (894, 20625), (990, 18625), (1125, 16390), (1250, 14751), (1341, 13750), (1375, 13410), (1490, 12375), (1639, 11250), (1650, 11175), (1875, 9834), (2235, 8250), (2250, 8195), (2475, 7450), (2682, 6875), (2750, 6705), (3278, 5625), (3725, 4950), (3750, 4917), (4125, 4470)]