210304220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:363

約数の個数: 96

約数和(自身を含む): 518192640

約数和(自身を除く): 307888420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 101, 107, 139, 140, 202, 214, 278, 404, 428, 505, 535, 556, 695, 707, 749, 973, 1010, 1070, 1390, 1414, 1498, 1946, 2020, 2140, 2780, 2828, 2996, 3535, 3745, 3892, 4865, 7070, 7490, 9730, 10807, 14039, 14140, 14873, 14980, 19460, 21614, 28078, 29746, 43228, 54035, 56156, 59492, 70195, 74365, 75649, 98273, 104111, 108070, 140390, 148730, 151298, 196546, 208222, 216140, 280780, 297460, 302596, 378245, 393092, 416444, 491365, 520555, 756490, 982730, 1041110, 1502173, 1512980, 1965460, 2082220, 3004346, 6008692, 7510865, 10515211, 15021730, 21030422, 30043460, 42060844, 52576055, 105152110, 210304220]

約数ペア:

[(1, 210304220), (2, 105152110), (4, 52576055), (5, 42060844), (7, 30043460), (10, 21030422), (14, 15021730), (20, 10515211), (28, 7510865), (35, 6008692), (70, 3004346), (101, 2082220), (107, 1965460), (139, 1512980), (140, 1502173), (202, 1041110), (214, 982730), (278, 756490), (404, 520555), (428, 491365), (505, 416444), (535, 393092), (556, 378245), (695, 302596), (707, 297460), (749, 280780), (973, 216140), (1010, 208222), (1070, 196546), (1390, 151298), (1414, 148730), (1498, 140390), (1946, 108070), (2020, 104111), (2140, 98273), (2780, 75649), (2828, 74365), (2996, 70195), (3535, 59492), (3745, 56156), (3892, 54035), (4865, 43228), (7070, 29746), (7490, 28078), (9730, 21614), (10807, 19460), (14039, 14980), (14140, 14873)]