161404300

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{179}}^1$

素因数の和:391

約数の個数: 72

約数和(自身を含む): 359976960

約数和(自身を除く): 198572660

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 127, 142, 179, 254, 284, 355, 358, 508, 635, 710, 716, 895, 1270, 1420, 1775, 1790, 2540, 3175, 3550, 3580, 4475, 6350, 7100, 8950, 9017, 12700, 12709, 17900, 18034, 22733, 25418, 36068, 45085, 45466, 50836, 63545, 90170, 90932, 113665, 127090, 180340, 225425, 227330, 254180, 317725, 450850, 454660, 568325, 635450, 901700, 1136650, 1270900, 1614043, 2273300, 3228086, 6456172, 8070215, 16140430, 32280860, 40351075, 80702150, 161404300]

約数ペア:

[(1, 161404300), (2, 80702150), (4, 40351075), (5, 32280860), (10, 16140430), (20, 8070215), (25, 6456172), (50, 3228086), (71, 2273300), (100, 1614043), (127, 1270900), (142, 1136650), (179, 901700), (254, 635450), (284, 568325), (355, 454660), (358, 450850), (508, 317725), (635, 254180), (710, 227330), (716, 225425), (895, 180340), (1270, 127090), (1420, 113665), (1775, 90932), (1790, 90170), (2540, 63545), (3175, 50836), (3550, 45466), (3580, 45085), (4475, 36068), (6350, 25418), (7100, 22733), (8950, 18034), (9017, 17900), (12700, 12709)]