405412280

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{2273}}^1$

素因数の和:2318

約数の個数: 128

約数和(自身を含む): 1146096000

約数和(自身を除く): 740683720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 91, 98, 104, 130, 140, 182, 196, 245, 260, 280, 343, 364, 392, 455, 490, 520, 637, 686, 728, 910, 980, 1274, 1372, 1715, 1820, 1960, 2273, 2548, 2744, 3185, 3430, 3640, 4459, 4546, 5096, 6370, 6860, 8918, 9092, 11365, 12740, 13720, 15911, 17836, 18184, 22295, 22730, 25480, 29549, 31822, 35672, 44590, 45460, 59098, 63644, 79555, 89180, 90920, 111377, 118196, 127288, 147745, 159110, 178360, 206843, 222754, 236392, 295490, 318220, 413686, 445508, 556885, 590980, 636440, 779639, 827372, 891016, 1034215, 1113770, 1181960, 1447901, 1559278, 1654744, 2068430, 2227540, 2895802, 3118556, 3898195, 4136860, 4455080, 5791604, 6237112, 7239505, 7796390, 8273720, 10135307, 11583208, 14479010, 15592780, 20270614, 28958020, 31185560, 40541228, 50676535, 57916040, 81082456, 101353070, 202706140, 405412280]

約数ペア:

[(1, 405412280), (2, 202706140), (4, 101353070), (5, 81082456), (7, 57916040), (8, 50676535), (10, 40541228), (13, 31185560), (14, 28958020), (20, 20270614), (26, 15592780), (28, 14479010), (35, 11583208), (40, 10135307), (49, 8273720), (52, 7796390), (56, 7239505), (65, 6237112), (70, 5791604), (91, 4455080), (98, 4136860), (104, 3898195), (130, 3118556), (140, 2895802), (182, 2227540), (196, 2068430), (245, 1654744), (260, 1559278), (280, 1447901), (343, 1181960), (364, 1113770), (392, 1034215), (455, 891016), (490, 827372), (520, 779639), (637, 636440), (686, 590980), (728, 556885), (910, 445508), (980, 413686), (1274, 318220), (1372, 295490), (1715, 236392), (1820, 222754), (1960, 206843), (2273, 178360), (2548, 159110), (2744, 147745), (3185, 127288), (3430, 118196), (3640, 111377), (4459, 90920), (4546, 89180), (5096, 79555), (6370, 63644), (6860, 59098), (8918, 45460), (9092, 44590), (11365, 35672), (12740, 31822), (13720, 29549), (15911, 25480), (17836, 22730), (18184, 22295)]