721421450

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{241}}^1$

素因数の和:432

約数の個数: 96

約数和(自身を含む): 1490797440

約数和(自身を除く): 769375990

約数列:

[1, 2, 5, 10, 19, 23, 25, 38, 46, 50, 95, 115, 137, 190, 230, 241, 274, 437, 475, 482, 575, 685, 874, 950, 1150, 1205, 1370, 2185, 2410, 2603, 3151, 3425, 4370, 4579, 5206, 5543, 6025, 6302, 6850, 9158, 10925, 11086, 12050, 13015, 15755, 21850, 22895, 26030, 27715, 31510, 33017, 45790, 55430, 59869, 65075, 66034, 78775, 105317, 114475, 119738, 130150, 138575, 157550, 165085, 210634, 228950, 277150, 299345, 330170, 526585, 598690, 627323, 759391, 825425, 1053170, 1254646, 1496725, 1518782, 1650850, 2632925, 2993450, 3136615, 3796955, 5265850, 6273230, 7593910, 14428429, 15683075, 18984775, 28856858, 31366150, 37969550, 72142145, 144284290, 360710725, 721421450]

約数ペア:

[(1, 721421450), (2, 360710725), (5, 144284290), (10, 72142145), (19, 37969550), (23, 31366150), (25, 28856858), (38, 18984775), (46, 15683075), (50, 14428429), (95, 7593910), (115, 6273230), (137, 5265850), (190, 3796955), (230, 3136615), (241, 2993450), (274, 2632925), (437, 1650850), (475, 1518782), (482, 1496725), (575, 1254646), (685, 1053170), (874, 825425), (950, 759391), (1150, 627323), (1205, 598690), (1370, 526585), (2185, 330170), (2410, 299345), (2603, 277150), (3151, 228950), (3425, 210634), (4370, 165085), (4579, 157550), (5206, 138575), (5543, 130150), (6025, 119738), (6302, 114475), (6850, 105317), (9158, 78775), (10925, 66034), (11086, 65075), (12050, 59869), (13015, 55430), (15755, 45790), (21850, 33017), (22895, 31510), (26030, 27715)]