255655428100

素因数分解:

$2^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{211}}^1\times {\mathrm{136139}}^1$

素因数の和:136453

約数の個数: 72

約数和(自身を含む): 563668610400

約数和(自身を除く): 308013182300

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 178, 211, 356, 422, 445, 844, 890, 1055, 1780, 2110, 2225, 4220, 4450, 5275, 8900, 10550, 18779, 21100, 37558, 75116, 93895, 136139, 187790, 272278, 375580, 469475, 544556, 680695, 938950, 1361390, 1877900, 2722780, 3403475, 6806950, 12116371, 13613900, 24232742, 28725329, 48465484, 57450658, 60581855, 114901316, 121163710, 143626645, 242327420, 287253290, 302909275, 574506580, 605818550, 718133225, 1211637100, 1436266450, 2556554281, 2872532900, 5113108562, 10226217124, 12782771405, 25565542810, 51131085620, 63913857025, 127827714050, 255655428100]

約数ペア:

[(1, 255655428100), (2, 127827714050), (4, 63913857025), (5, 51131085620), (10, 25565542810), (20, 12782771405), (25, 10226217124), (50, 5113108562), (89, 2872532900), (100, 2556554281), (178, 1436266450), (211, 1211637100), (356, 718133225), (422, 605818550), (445, 574506580), (844, 302909275), (890, 287253290), (1055, 242327420), (1780, 143626645), (2110, 121163710), (2225, 114901316), (4220, 60581855), (4450, 57450658), (5275, 48465484), (8900, 28725329), (10550, 24232742), (18779, 13613900), (21100, 12116371), (37558, 6806950), (75116, 3403475), (93895, 2722780), (136139, 1877900), (187790, 1361390), (272278, 938950), (375580, 680695), (469475, 544556)]