287444300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{20101}}^1$

素因数の和:20139

約数の個数: 72

約数和(自身を含む): 732838512

約数和(自身を除く): 445394212

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 25, 26, 44, 50, 52, 55, 65, 100, 110, 130, 143, 220, 260, 275, 286, 325, 550, 572, 650, 715, 1100, 1300, 1430, 2860, 3575, 7150, 14300, 20101, 40202, 80404, 100505, 201010, 221111, 261313, 402020, 442222, 502525, 522626, 884444, 1005050, 1045252, 1105555, 1306565, 2010100, 2211110, 2613130, 2874443, 4422220, 5226260, 5527775, 5748886, 6532825, 11055550, 11497772, 13065650, 14372215, 22111100, 26131300, 28744430, 57488860, 71861075, 143722150, 287444300]

約数ペア:

[(1, 287444300), (2, 143722150), (4, 71861075), (5, 57488860), (10, 28744430), (11, 26131300), (13, 22111100), (20, 14372215), (22, 13065650), (25, 11497772), (26, 11055550), (44, 6532825), (50, 5748886), (52, 5527775), (55, 5226260), (65, 4422220), (100, 2874443), (110, 2613130), (130, 2211110), (143, 2010100), (220, 1306565), (260, 1105555), (275, 1045252), (286, 1005050), (325, 884444), (550, 522626), (572, 502525), (650, 442222), (715, 402020), (1100, 261313), (1300, 221111), (1430, 201010), (2860, 100505), (3575, 80404), (7150, 40202), (14300, 20101)]