388289200

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{839}}^1$

素因数の和:959

約数の個数: 120

約数和(自身を含む): 1017122400

約数和(自身を除く): 628833200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 89, 100, 104, 130, 178, 200, 208, 260, 325, 356, 400, 445, 520, 650, 712, 839, 890, 1040, 1157, 1300, 1424, 1678, 1780, 2225, 2314, 2600, 3356, 3560, 4195, 4450, 4628, 5200, 5785, 6712, 7120, 8390, 8900, 9256, 10907, 11570, 13424, 16780, 17800, 18512, 20975, 21814, 23140, 28925, 33560, 35600, 41950, 43628, 46280, 54535, 57850, 67120, 74671, 83900, 87256, 92560, 109070, 115700, 149342, 167800, 174512, 218140, 231400, 272675, 298684, 335600, 373355, 436280, 462800, 545350, 597368, 746710, 872560, 970723, 1090700, 1194736, 1493420, 1866775, 1941446, 2181400, 2986840, 3733550, 3882892, 4362800, 4853615, 5973680, 7467100, 7765784, 9707230, 14934200, 15531568, 19414460, 24268075, 29868400, 38828920, 48536150, 77657840, 97072300, 194144600, 388289200]

約数ペア:

[(1, 388289200), (2, 194144600), (4, 97072300), (5, 77657840), (8, 48536150), (10, 38828920), (13, 29868400), (16, 24268075), (20, 19414460), (25, 15531568), (26, 14934200), (40, 9707230), (50, 7765784), (52, 7467100), (65, 5973680), (80, 4853615), (89, 4362800), (100, 3882892), (104, 3733550), (130, 2986840), (178, 2181400), (200, 1941446), (208, 1866775), (260, 1493420), (325, 1194736), (356, 1090700), (400, 970723), (445, 872560), (520, 746710), (650, 597368), (712, 545350), (839, 462800), (890, 436280), (1040, 373355), (1157, 335600), (1300, 298684), (1424, 272675), (1678, 231400), (1780, 218140), (2225, 174512), (2314, 167800), (2600, 149342), (3356, 115700), (3560, 109070), (4195, 92560), (4450, 87256), (4628, 83900), (5200, 74671), (5785, 67120), (6712, 57850), (7120, 54535), (8390, 46280), (8900, 43628), (9256, 41950), (10907, 35600), (11570, 33560), (13424, 28925), (16780, 23140), (17800, 21814), (18512, 20975)]