278384724

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{7457}}^1$

素因数の和:7545

約数の個数: 72

約数和(自身を含む): 757404648

約数和(自身を除く): 479019924

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 61, 68, 102, 122, 153, 183, 204, 244, 306, 366, 549, 612, 732, 1037, 1098, 2074, 2196, 3111, 4148, 6222, 7457, 9333, 12444, 14914, 18666, 22371, 29828, 37332, 44742, 67113, 89484, 126769, 134226, 253538, 268452, 380307, 454877, 507076, 760614, 909754, 1140921, 1364631, 1521228, 1819508, 2281842, 2729262, 4093893, 4563684, 5458524, 7732909, 8187786, 15465818, 16375572, 23198727, 30931636, 46397454, 69596181, 92794908, 139192362, 278384724]

約数ペア:

[(1, 278384724), (2, 139192362), (3, 92794908), (4, 69596181), (6, 46397454), (9, 30931636), (12, 23198727), (17, 16375572), (18, 15465818), (34, 8187786), (36, 7732909), (51, 5458524), (61, 4563684), (68, 4093893), (102, 2729262), (122, 2281842), (153, 1819508), (183, 1521228), (204, 1364631), (244, 1140921), (306, 909754), (366, 760614), (549, 507076), (612, 454877), (732, 380307), (1037, 268452), (1098, 253538), (2074, 134226), (2196, 126769), (3111, 89484), (4148, 67113), (6222, 44742), (7457, 37332), (9333, 29828), (12444, 22371), (14914, 18666)]