217871340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{523}}^1$

素因数の和:719

約数の個数: 96

約数和(自身を含む): 627492096

約数和(自身を除く): 409620756

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 53, 60, 106, 131, 159, 212, 262, 265, 318, 393, 523, 524, 530, 636, 655, 786, 795, 1046, 1060, 1310, 1569, 1572, 1590, 1965, 2092, 2615, 2620, 3138, 3180, 3930, 5230, 6276, 6943, 7845, 7860, 10460, 13886, 15690, 20829, 27719, 27772, 31380, 34715, 41658, 55438, 68513, 69430, 83157, 83316, 104145, 110876, 137026, 138595, 138860, 166314, 205539, 208290, 274052, 277190, 332628, 342565, 411078, 415785, 416580, 554380, 685130, 822156, 831570, 1027695, 1370260, 1663140, 2055390, 3631189, 4110780, 7262378, 10893567, 14524756, 18155945, 21787134, 36311890, 43574268, 54467835, 72623780, 108935670, 217871340]

約数ペア:

[(1, 217871340), (2, 108935670), (3, 72623780), (4, 54467835), (5, 43574268), (6, 36311890), (10, 21787134), (12, 18155945), (15, 14524756), (20, 10893567), (30, 7262378), (53, 4110780), (60, 3631189), (106, 2055390), (131, 1663140), (159, 1370260), (212, 1027695), (262, 831570), (265, 822156), (318, 685130), (393, 554380), (523, 416580), (524, 415785), (530, 411078), (636, 342565), (655, 332628), (786, 277190), (795, 274052), (1046, 208290), (1060, 205539), (1310, 166314), (1569, 138860), (1572, 138595), (1590, 137026), (1965, 110876), (2092, 104145), (2615, 83316), (2620, 83157), (3138, 69430), (3180, 68513), (3930, 55438), (5230, 41658), (6276, 34715), (6943, 31380), (7845, 27772), (7860, 27719), (10460, 20829), (13886, 15690)]