209983399900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{10651}}^1\times {\mathrm{11597}}^1$

素因数の和:22279

約数の個数: 72

約数和(自身を含む): 482554645776

約数和(自身を除く): 272571245876

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 340, 425, 850, 1700, 10651, 11597, 21302, 23194, 42604, 46388, 53255, 57985, 106510, 115970, 181067, 197149, 213020, 231940, 266275, 289925, 362134, 394298, 532550, 579850, 724268, 788596, 905335, 985745, 1065100, 1159700, 1810670, 1971490, 3621340, 3942980, 4526675, 4928725, 9053350, 9857450, 18106700, 19714900, 123519647, 247039294, 494078588, 617598235, 1235196470, 2099833999, 2470392940, 3087991175, 4199667998, 6175982350, 8399335996, 10499169995, 12351964700, 20998339990, 41996679980, 52495849975, 104991699950, 209983399900]

約数ペア:

[(1, 209983399900), (2, 104991699950), (4, 52495849975), (5, 41996679980), (10, 20998339990), (17, 12351964700), (20, 10499169995), (25, 8399335996), (34, 6175982350), (50, 4199667998), (68, 3087991175), (85, 2470392940), (100, 2099833999), (170, 1235196470), (340, 617598235), (425, 494078588), (850, 247039294), (1700, 123519647), (10651, 19714900), (11597, 18106700), (21302, 9857450), (23194, 9053350), (42604, 4928725), (46388, 4526675), (53255, 3942980), (57985, 3621340), (106510, 1971490), (115970, 1810670), (181067, 1159700), (197149, 1065100), (213020, 985745), (231940, 905335), (266275, 788596), (289925, 724268), (362134, 579850), (394298, 532550)]