25219740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:212

約数の個数: 192

約数和(自身を含む): 90316800

約数和(自身を除く): 65097060

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 31, 35, 39, 42, 52, 60, 62, 65, 70, 78, 84, 91, 93, 105, 124, 130, 140, 149, 155, 156, 182, 186, 195, 210, 217, 260, 273, 298, 310, 364, 372, 390, 403, 420, 434, 447, 455, 465, 546, 596, 620, 651, 745, 780, 806, 868, 894, 910, 930, 1043, 1085, 1092, 1209, 1302, 1365, 1490, 1612, 1788, 1820, 1860, 1937, 2015, 2086, 2170, 2235, 2418, 2604, 2730, 2821, 2980, 3129, 3255, 3874, 4030, 4172, 4340, 4470, 4619, 4836, 5215, 5460, 5642, 5811, 6045, 6258, 6510, 7748, 8060, 8463, 8940, 9238, 9685, 10430, 11284, 11622, 12090, 12516, 13020, 13559, 13857, 14105, 15645, 16926, 18476, 19370, 20860, 23095, 23244, 24180, 27118, 27714, 28210, 29055, 31290, 32333, 33852, 38740, 40677, 42315, 46190, 54236, 55428, 56420, 58110, 60047, 62580, 64666, 67795, 69285, 81354, 84630, 92380, 96999, 116220, 120094, 129332, 135590, 138570, 161665, 162708, 169260, 180141, 193998, 203385, 240188, 271180, 277140, 300235, 323330, 360282, 387996, 406770, 420329, 484995, 600470, 646660, 720564, 813540, 840658, 900705, 969990, 1200940, 1260987, 1681316, 1801410, 1939980, 2101645, 2521974, 3602820, 4203290, 5043948, 6304935, 8406580, 12609870, 25219740]

約数ペア:

[(1, 25219740), (2, 12609870), (3, 8406580), (4, 6304935), (5, 5043948), (6, 4203290), (7, 3602820), (10, 2521974), (12, 2101645), (13, 1939980), (14, 1801410), (15, 1681316), (20, 1260987), (21, 1200940), (26, 969990), (28, 900705), (30, 840658), (31, 813540), (35, 720564), (39, 646660), (42, 600470), (52, 484995), (60, 420329), (62, 406770), (65, 387996), (70, 360282), (78, 323330), (84, 300235), (91, 277140), (93, 271180), (105, 240188), (124, 203385), (130, 193998), (140, 180141), (149, 169260), (155, 162708), (156, 161665), (182, 138570), (186, 135590), (195, 129332), (210, 120094), (217, 116220), (260, 96999), (273, 92380), (298, 84630), (310, 81354), (364, 69285), (372, 67795), (390, 64666), (403, 62580), (420, 60047), (434, 58110), (447, 56420), (455, 55428), (465, 54236), (546, 46190), (596, 42315), (620, 40677), (651, 38740), (745, 33852), (780, 32333), (806, 31290), (868, 29055), (894, 28210), (910, 27714), (930, 27118), (1043, 24180), (1085, 23244), (1092, 23095), (1209, 20860), (1302, 19370), (1365, 18476), (1490, 16926), (1612, 15645), (1788, 14105), (1820, 13857), (1860, 13559), (1937, 13020), (2015, 12516), (2086, 12090), (2170, 11622), (2235, 11284), (2418, 10430), (2604, 9685), (2730, 9238), (2821, 8940), (2980, 8463), (3129, 8060), (3255, 7748), (3874, 6510), (4030, 6258), (4172, 6045), (4340, 5811), (4470, 5642), (4619, 5460), (4836, 5215)]